Publishers A16 B7 C14 D6 E2 F8 G3 H10 I3 J5 K3 L8 M19 N10 O4 P10 Q0 R5 S23 T12 U18 V2 W12 X0 Y0 Z0 4 Publishers Oo Oklahoma City Museum of Art 4 Titles Open Society Institute 21 Titles Oregon Historical Society 13 Titles Overseas Development Council 5 Titles