Atwater, Richard , Atwater, Florence MR. Popper's penguins [[Book] /] Richard Atwater , Florence Atwater ؛ illustrated by Robert Lawson. - Boston : Little Brown and Company, 1938. - 138 ص ; 19 سم. ISBN: 0316058432 Subjects--Topical Terms: Children stories.Penguins--Ju venile. Dewey Class. No.: 813.52 National Library of Medicine Call No.: 813.52 / A P