1. Behavior situation: tower building by child, 56 weeks old. Creator: Gesell, Arnold, 1880-1961 Published / Created: 1934 Call Number: Yzh 915 G3a+ Oversize Collection Title: Atlas of infant behavior: a systematic delineation of the forms and early growth of human behavior Image Count: 1 Found in: Manuscripts and Archives > Behavior situation: tower building by child, 56 weeks old.