Author
Academia Română (1990- ). Biblioteca
1
Am. Book Trade Association
1
American Book Trade Union
1
American Library Association
1
Biblioteca Centrală Universitară București
1
Biblioteca Națională a României
1
Book Trade Association of Philadelphia
1
Curriculum Advisory Service
1
Early Book Society
1
Kirkus Service
1
Publishers' Board of Trade (U.S.)
1
University of Oklahoma
1