NB 1a, spread 32 ... 1a ... Corinth:Notebook:1a
Υ-1 55, 56 Section Υ 41 ... 27 January 1937 ... Υ-1
Ν-1 53, 54 ... Ν-1
ΞΞ-1 55, 56 ... ΞΞ-1