Well ... ΟΟ-20 3958, 3959 D 17:10 ... 27 Jun 1950
East Side of Annex ... ΟΟ-21 4030, 4031 ... 1 July 1950
Additional on Walls in F 1 ... ΟΟ-21 4038, 4039 ΟΟ 1560 ST 480 Section ΟΟ 676 ... 1 July 1950
ΟΟ-21 4040, 4041 Section ΟΟ 679 ... 1 July 1950