Library of Congress. Copyright Office, U.S. Copyright Renewals, 1977 July - December
“ Child development: an introduction to the study of human growth. By Arnold Gesell, in collaboration with Louise B. Ames, Janet Learned & Glenna E. Bullis. This book is a 1 vol. ed. of Infant and child in the culture of today & The Child from five to ten. NM: publisher's note & foreword. © 23Nov49; A38497. Gerhard Gesell & Katherine Gesell Walden (C) ”
