Types of mental defectives / by Martin W. Barr and E.F. Maloney.

London : H.K. Lewis, 1921.

ix, 179 pages, 31 leaves of plates : illustrations ; 24 cm

Includes index

Also published Philadelphia : Blakiston, 1920.

Copy 3 Supplier/Donor: Poly. E.London Note: Formerly in the Spearman Collection of the Charles Myers Library at the N.I.I.P.