The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
180 Degree Capital Corp. COMMON 68235B109 6,227 2,914,318 SH   SOLE 0 2,914,318 0 0
Acacia Communications, Inc. COMMON 00401C108 2,909 44,487 SH   SOLE 0 23,304 0 21,183
Acacia Research Corp. COMMON 003881307 6,510 2,428,943 SH   SOLE 0 980,175 0 1,448,768
Adtalem Global Education, Inc. COMMON 00737L103 36,336 953,946 SH   SOLE 0 911,546 0 42,400
Affiliated Managers Group, Inc. COMMON 008252108 48,903 586,723 SH   SOLE 0 569,623 0 17,100
Aflac, Inc. COMMON 001055102 84,573 1,616,450 SH   SOLE 0 1,606,800 0 9,650
Alithya Group Inc. CL A SUB VTG 01643B106 3,975 1,343,006 SH   SOLE 0 1,343,006 0 0
Amdocs Ltd. COMMON G02602103 64,543 976,303 SH   SOLE 0 450,618 0 525,685
Anixter Intl, Inc. COMMON 035290105 48,921 707,769 SH   SOLE 0 656,869 0 50,900
Apache Corp. COMMON 037411105 3,379 131,980 SH   SOLE 0 131,980 0 0
AquaVenture Holdings Limited COMMON G0443N107 2,182 112,275 SH   SOLE 0 112,275 0 0
Aspen Aerogels Inc. COMMON 04523Y105 2,630 444,331 SH   SOLE 0 444,331 0 0
AstroNova, Inc. COMMON 04638F108 4,540 280,763 SH   SOLE 0 280,763 0 0
AXT Inc. COMMON 00246W103 245 68,944 SH   SOLE 0 68,944 0 0
Baidu, Inc. ADR ADR 056752108 193,402 1,882,079 SH   SOLE 0 1,213,208 0 668,871
Ballantyne Strong, Inc. COMMON 058516105 9,486 3,050,028 SH   SOLE 0 3,050,028 0 0
Banco Santander-Chile ADR ADR 05965X109 21,995 785,548 SH   SOLE 0 471,704 0 313,844
Bank of New York Mellon Corp. COMMON 064058100 4,518 99,936 SH   SOLE 0 99,936 0 0
Berkshire Hathaway Inc. COMMON 084670702 120,751 580,476 SH   SOLE 0 262,657 0 317,819
Bio-Rad Laboratories, Inc. COMMON 090572207 74,591 224,172 SH   SOLE 0 202,372 0 21,800
Blackstone Group Inc COMMON 09260D107 22,760 466,005 SH   SOLE 0 463,605 0 2,400
BOK Financial Corp. COMMON 05561Q201 92,126 1,163,942 SH   SOLE 0 1,112,842 0 51,100
BorgWarner, Inc. COMMON 099724106 72,346 1,972,344 SH   SOLE 0 1,962,444 0 9,900
Brady Corp. COMMON 104674106 29,836 562,421 SH   SOLE 0 468,066 0 94,355
Brink's Co. COMMON 109696104 41,587 501,350 SH   SOLE 0 410,550 0 90,800
Capital Southwest Corp. COMMON 140501107 4,977 228,297 SH   SOLE 0 228,297 0 0
Cardinal Health, Inc. COMMON 14149Y108 40,601 860,371 SH   SOLE 0 855,571 0 4,800
CarMax Inc. COMMON 143130102 36,869 418,962 SH   SOLE 0 416,162 0 2,800
CBRE Group, Inc. COMMON 12504L109 95,801 1,807,228 SH   SOLE 0 1,778,128 0 29,100
CBS Corp. COMMON 124857202 57,394 1,421,695 SH   SOLE 0 1,414,613 0 7,082
Century Casinos, Inc. COMMON 156492100 9,135 1,181,710 SH   SOLE 0 1,181,710 0 0
Charles River Laboratories Intl, Inc. COMMON 159864107 111,402 841,597 SH   SOLE 0 781,997 0 59,600
China Mobile Ltd. ADR ADR 16941M109 44,595 1,077,162 SH   SOLE 0 792,346 0 284,816
Costco Wholesale Corp. COMMON 22160K105 12,843 44,578 SH   SOLE 0 21,037 0 23,541
Cowen Inc. COMMON 223622606 10,916 709,323 SH   SOLE 0 709,323 0 0
CPI Aerostructures, Inc. COMMON 125919308 2,612 317,783 SH   SOLE 0 317,783 0 0
Crown Crafts, Inc. COMMON 228309100 357 57,111 SH   SOLE 0 57,111 0 0
Cumberland Pharmaceuticals, Inc. COMMON 230770109 5,683 958,319 SH   SOLE 0 958,319 0 0
Digirad Corp. COMMON 253827703 87 19,529 SH   SOLE 0 19,529 0 0
EMCORE Corporation COMMON 290846203 3,414 1,112,170 SH   SOLE 0 1,112,170 0 0
Enzo Biochem, Inc. COMMON 294100102 3,695 1,026,313 SH   SOLE 0 1,026,313 0 0
EOG Resources Inc. COMMON 26875P101 68,493 922,831 SH   SOLE 0 541,124 0 381,707
Equity Commonwealth COMMON 294628102 2,776 81,043 SH   SOLE 0 52,924 0 28,119
Exxon Mobil Corp. COMMON 30231G102 4,685 66,356 SH   SOLE 0 66,356 0 0
Fabrinet SHS G3323L100 1,536 29,376 SH   SOLE 0 19,891 0 9,485
Fair Isaac Corp. COMMON 303250104 15,500 51,068 SH   SOLE 0 42,343 0 8,725
First American Financial Corp. COMMON 31847R102 221,709 3,757,150 SH   SOLE 0 3,569,450 0 187,700
Fluor Corp. COMMON 343412102 31,834 1,664,075 SH   SOLE 0 904,347 0 759,728
Foot Locker, Inc. COMMON 344849104 11,585 268,414 SH   SOLE 0 113,779 0 154,635
Gaia, Inc. COMMON 36269P104 5,459 835,287 SH   SOLE 0 835,287 0 0
Generac Holdings Inc. COMMON 368736104 37,120 473,837 SH   SOLE 0 385,537 0 88,300
Gilead Sciences, Inc. COMMON 375558103 157,850 2,490,526 SH   SOLE 0 1,174,533 0 1,315,993
GlaxoSmithKline plc ADR ADR 37733W105 61,123 1,432,134 SH   SOLE 0 833,207 0 598,927
Goldman Sachs Group, Inc. COMMON 38141G104 7,395 35,687 SH   SOLE 0 35,687 0 0
Green Brick Partners Inc. COMMON 392709101 8,464 791,062 SH   SOLE 0 791,062 0 0
GSI Technology Inc. COMMON 36241U106 5,019 572,965 SH   SOLE 0 572,965 0 0
Gulf Island Fabrication, Inc. COMMON 402307102 1,083 202,338 SH   SOLE 0 202,338 0 0
Hanger, Inc. COMMON 41043F208 9,890 485,271 SH   SOLE 0 485,271 0 0
Horace Mann Educators Corp. COMMON 440327104 11,363 245,257 SH   SOLE 0 202,517 0 42,740
Houlihan Lokey, Inc. COMMON 441593100 49,327 1,093,722 SH   SOLE 0 1,087,622 0 6,100
Illinois Tool Works, Inc. COMMON 452308109 43,232 276,263 SH   SOLE 0 274,663 0 1,600
IntercontinentalExchange, Inc. COMMON 45866F104 6,166 66,821 SH   SOLE 0 31,541 0 35,280
Interface, Inc. COMMON 458665304 16,101 1,115,005 SH   SOLE 0 914,105 0 200,900
Interpublic Group of Cos., Inc. COMMON 460690100 195,652 9,074,775 SH   SOLE 0 8,759,393 0 315,382
ISHARES MSCI ACWI EX US ETF ETF 464288240 1,059 22,999 SH   SOLE 0 22,999 0 0
iShares Russell 2000V ETF ETF 464287630 9,916 83,045 SH   SOLE 0 83,045 0 0
J.M. Smucker Co. COMMON 832696405 166,553 1,513,846 SH   SOLE 0 1,493,346 0 20,500
Janus Henderson Group plc ORD SHS G4474Y214 45,167 2,010,991 SH   SOLE 0 1,863,721 0 147,270
Jernigan Capital, Inc. COMMON 476405105 2,238 116,246 SH   SOLE 0 116,246 0 0
JLL COMMON 48020Q107 112,108 806,187 SH   SOLE 0 764,767 0 41,420
Johnson & Johnson COMMON 478160104 122,835 949,410 SH   SOLE 0 476,278 0 473,132
Kennametal, Inc. COMMON 489170100 171,447 5,577,313 SH   SOLE 0 5,310,113 0 267,200
Keysight Technologies, Inc. COMMON 49338L103 118,984 1,223,481 SH   SOLE 0 1,205,756 0 17,725
Kindred Biosciences, Inc. COMMON 494577109 13,061 1,906,785 SH   SOLE 0 1,906,785 0 0
KKR & Co Inc. COMMON 48251W104 156,980 5,846,572 SH   SOLE 0 5,749,472 0 97,100
Knowles Corporation COMMON 49926D109 74,753 3,675,157 SH   SOLE 0 3,441,657 0 233,500
Korn/Ferry International COMMON 500643200 18,526 479,462 SH   SOLE 0 392,562 0 86,900
Laboratory Corp. of America Holdings COMMON 50540R409 150,933 898,411 SH   SOLE 0 885,211 0 13,200
Lakeland Industries, Inc. COMMON 511795106 6,683 551,399 SH   SOLE 0 551,399 0 0
Lazard Ltd. COMMON G54050102 206,194 5,891,253 SH   SOLE 0 5,641,653 0 249,600
Littelfuse, Inc. COMMON 537008104 71,353 402,421 SH   SOLE 0 363,746 0 38,675
Lockheed Martin Corp. COMMON 539830109 9,483 24,312 SH   SOLE 0 24,312 0 0
Masco Corporation COMMON 574599106 48,909 1,173,447 SH   SOLE 0 1,140,847 0 32,600
Mattel, Inc. COMMON 577081102 175,080 15,371,387 SH   SOLE 0 14,786,187 0 585,200
Matthews Intl Corp. COMMON 577128101 8,202 231,763 SH   SOLE 0 188,833 0 42,930
Meredith Corp. COMMON 589433101 49,174 1,341,345 SH   SOLE 0 1,283,645 0 57,700
Methode Electronics Inc. COMMON 591520200 30,879 917,917 SH   SOLE 0 775,817 0 142,100
Microsoft Corp. COMMON 594918104 300,510 2,161,476 SH   SOLE 0 1,020,365 0 1,141,111
Mitcham Industries, Inc. COMMON 606501104 9,206 2,832,542 SH   SOLE 0 2,670,590 0 161,952
Mohawk Industries, Inc. COMMON 608190104 81,628 657,921 SH   SOLE 0 644,621 0 13,300
Molson Coors Brewing Co. COMMON 60871R209 103,027 1,791,782 SH   SOLE 0 1,767,082 0 24,700
Mosaic Co. COMMON 61945C103 6,111 298,075 SH   SOLE 0 298,075 0 0
Movado Group Inc. COMMON 624580106 3,899 156,825 SH   SOLE 0 156,825 0 0
MSG Networks, Inc. COMMON 553573106 140,649 8,671,320 SH   SOLE 0 8,333,220 0 338,100
MTS Systems Corp. COMMON 553777103 81,964 1,483,515 SH   SOLE 0 1,376,075 0 107,440
National Oilwell Varco COMMON 637071101 23,288 1,098,512 SH   SOLE 0 1,093,012 0 5,500
Nielsen Holdings plc COMMON G6518L108 122,951 5,785,916 SH   SOLE 0 5,708,416 0 77,500
Nokia Corp. ADR ADR 654902204 110,962 21,929,185 SH   SOLE 0 14,754,434 0 7,174,751
Nordstrom, Inc. COMMON 655664100 20,435 606,933 SH   SOLE 0 603,433 0 3,500
Northern Trust Corp. COMMON 665859104 170,200 1,823,831 SH   SOLE 0 1,807,431 0 16,400
Novartis AG ADR ADR 66987V109 2,493 28,688 SH   SOLE 0 28,202 0 486
Omnicom Group, Inc. COMMON 681919106 49,650 634,101 SH   SOLE 0 630,505 0 3,596
Oracle Corp. COMMON 68389X105 10,690 194,257 SH   SOLE 0 194,257 0 0
ORBCOMM, Inc. COMMON 68555P100 9,864 2,072,263 SH   SOLE 0 2,072,263 0 0
Orion Energy Systems, Inc. COMMON 686275108 1,739 610,242 SH   SOLE 0 610,242 0 0
PCTEL, Inc. COMMON 69325Q105 2,826 336,434 SH   SOLE 0 336,434 0 0
Perceptron, Inc. COMMON 71361F100 4,313 900,044 SH   SOLE 0 900,044 0 0
Philip Morris Intl, Inc. COMMON 718172109 285,623 3,761,668 SH   SOLE 0 2,505,306 0 1,256,362
Pioneer Natural Resources Co COMMON 723787107 48,975 389,404 SH   SOLE 0 245,547 0 143,857
Progressive Corp. COMMON 743315103 74,526 964,740 SH   SOLE 0 959,240 0 5,500
Pure Cycle Corp. COMMON 746228303 748 72,797 SH   SOLE 0 72,797 0 0
QUALCOMM Inc. COMMON 747525103 2,979 39,056 SH   SOLE 0 18,433 0 20,623
Quest Diagnostics Inc. COMMON 74834L100 43,997 411,068 SH   SOLE 0 177,697 0 233,371
RealNetworks, Inc. COMMON 75605L708 8,271 4,982,572 SH   SOLE 0 4,982,572 0 0
Rosetta Stone Inc. COMMON 777780107 9,476 544,582 SH   SOLE 0 453,182 0 91,400
Royal Caribbean Cruises Ltd. COMMON V7780T103 71,675 661,639 SH   SOLE 0 644,739 0 16,900
Rubicon Technology, Inc. COMMON 78112T206 1,034 108,015 SH   SOLE 0 108,015 0 0
Safeguard Scientifics Inc. COMMON 786449207 5,558 490,095 SH   SOLE 0 490,095 0 0
Schlumberger Ltd. COMMON 806857108 64,342 1,883,003 SH   SOLE 0 889,036 0 993,967
Simpson Manufacturing Co., Inc. COMMON 829073105 116,792 1,683,608 SH   SOLE 0 1,543,308 0 140,300
Snap-on, Inc. COMMON 833034101 146,211 934,020 SH   SOLE 0 903,495 0 30,525
Stanley Black & Decker, Inc. COMMON 854502101 92,730 642,129 SH   SOLE 0 638,777 0 3,352
Stericycle Inc. COMMON 858912108 167,483 3,288,486 SH   SOLE 0 3,141,786 0 146,700
Strattec Security Corp. COMMON 863111100 4,752 238,807 SH   SOLE 0 238,807 0 0
Synacor, Inc. COMMON 871561106 2,167 1,547,567 SH   SOLE 0 1,547,567 0 0
Tapestry, Inc. COMMON 876030107 27,602 1,059,571 SH   SOLE 0 487,761 0 571,810
Team, Inc. COMMON 878155100 26,132 1,447,762 SH   SOLE 0 1,233,662 0 214,100
TEGNA, Inc. COMMON 87901J105 97,614 6,285,538 SH   SOLE 0 5,961,438 0 324,100
Tejon Ranch Co. COMMON 879080109 5,874 346,135 SH   SOLE 0 346,135 0 0
Tenaris ADR ADR 88031M109 22,363 1,055,854 SH   SOLE 0 881,654 0 174,200
The Madison Square Garden Co. COMMON 55825T103 47,183 179,048 SH   SOLE 0 155,838 0 23,210
The Rubicon Project, Inc. COMMON 78112V102 467 53,651 SH   SOLE 0 53,651 0 0
Thermo Fisher Scientific, Inc. COMMON 883556102 33,425 114,755 SH   SOLE 0 113,998 0 757
Tiffany & Co. COMMON 886547108 32,812 354,224 SH   SOLE 0 352,224 0 2,000
U.S. Bancorp COMMON 902973304 15,689 283,494 SH   SOLE 0 133,808 0 149,686
U.S. Silica Holdings, Inc. COMMON 90346E103 108,374 11,336,143 SH   SOLE 0 10,777,743 0 558,400
Vanguard FTSE Developed ETF ETF 921943858 32,215 784,198 SH   SOLE 0 773,190 0 11,008
Vanguard Total World Stock Index Fd (ETF) ETF 922042742 18,062 241,410 SH   SOLE 0 241,410 0 0
Verizon Communications Inc. COMMON 92343V104 86,841 1,438,720 SH   SOLE 0 662,570 0 776,150
Viacom, Inc. COMMON 92553P201 94,318 3,925,003 SH   SOLE 0 3,849,503 0 75,500
Western Union Co. COMMON 959802109 36,240 1,564,089 SH   SOLE 0 1,527,089 0 37,000
Willis Towers Watson plc SHS G96629103 52,867 273,963 SH   SOLE 0 272,420 0 1,543
Zebra Technologies Corp. COMMON 989207105 108,113 523,880 SH   SOLE 0 514,180 0 9,700
Zimmer Biomet Holdings, Inc. COMMON 98956P102 72,385 527,316 SH   SOLE 0 524,616 0 2,700