Studies in the history of statistical method : with special reference to certain educational problems / by Helen M. Walker.

Baltimore : The Williams & Wilkins Company, 1929.

viii, 229 pages : frontispiece, portraits, facsimiles, diagrams ; 24 cm

Published also as thesis (PH. D.) Columbia University

Copy 1 Supplier/Donor: Polytechnic of East London Note: Formerly in the Spearman Collection of the Charles Myers Library at the N.I.I.P. Contains Charles Myers Library bookplate

Bibliography: p. 193-215.