Differential diagnosis of ability in school children / by David Segel.

Baltimore : Warwick & York, 1934.

vii, 86 pages ; 20 cm

Includes bibliography and index

Spine title: Differential diagnosis.

Copy 1 Supplier/Donor: Polytechnic of East London Note: Formerly in the Spearman Collection of the Charles Myers Library at the National Institute of Industrial Psychology. Contains Charles Myers Library bookplate