- Bell Telephone Quarterly, V6, No. 1, January, 1927: A Medium of Suggestion and a Record of Progress
- Bell Telephone Quarterly, V5, No. 4, October, 1926: A Medium of Suggestion and a Record of Progress
- Bell Telephone Quarterly, V6, No. 3, July, 1927: A Medium of Suggestion and a Record of Progress
- Bell Telephone Quarterly, V5, No. 1, January, 1926: A Medium of Suggestion and a Record of Progress
- Bell Telephone Quarterly, V6, No. 2, April, 1927: A Medium of Suggestion and a Record of Progress