September 1932:
The Travels of Peter Paul and Zebedee view
November 1931:
The Time-Retarding Journey: A Reply to Prof. McGilvary view
March 1931:
The Paradox of the Time-Retarding Journey (II.) view
January 1931:
The Paradox of the Time-Retarding Journey (I.) view
November 1930:
The Dialectical Argument Against Absolute Simultaneity. I view
November 1930:
The Dialectical Argument Against Absolute Simultaneity. II view