Global ETD Search

About
The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

1	A diagnostic test of aptitude for clerical office work based on an analysis of clerical operations, Ruggles, Allen Mead, January 1924 (has links) Thesis (Ph. D.)--Columbia University, 1924. / Vita. Published also as Teachers college, Columbia university. Contributions to education, no. 148. Ability Clerks.
2	A diagnostic test of aptitude for clerical office work based on an analysis of clerical operations, Ruggles, Allen Mead, January 1924 (has links) Thesis (Ph. D.)--Columbia University, 1924. / Vita. Published also as Teachers college, Columbia university. Contributions to education, no. 148. Ability Clerks.