Skip to main content

29 (37), Thomson to Ledermann, 5 Nov 1937-7 Nov 1937

Identifier: Coll-1064/28

Scope and Contents

In his letter, dated 5 Nov 1937 and numbered 29 (37) Thomson discusses two papers on boundary conditions he and Ledermann contributed to Psychometrika in relation to orthogonal and oblique factors.

He refers to the work of Holzinger and Harman in their article from the Journal of Educational Psychology, specifically in relation to their analysis of a matrix of correlations and how Thomson's boundary rule can be applied to this.

In the small postcard, dated 7 Nov 1937 and numbered Thomson asks Ledermann to leave Bartlett's offprints with him at their next meeting.


  • 5 Nov 1937-7 Nov 1937


Language of Materials


Conditions Governing Access



1 letter (2 leafs, 2 sides); 1 postcard (2 sides)

Physical Location


Repository Details

Part of the Edinburgh University Library Special Collections Repository

Centre for Research Collections
University of Edinburgh Main Library
George Square
Edinburgh EH8 9LJ Scotland
+44(0)131 650 8379