K. W. Bachstitz übersendet Herrn Prof. Posse Bilder nebst einer Ausschreibung
NARA
NARA, RG 260, A3389. Records Concerning the Central Collecting Points ("Ardelia Hall Collection"): Selected Microfilm Reproductions And Related Records, 1945-1949. Roll 70. "Linz Film", 14.7, Vols. 20a–24. Blatt 357, 358, 360.