| Unidentified photographer "Lippisch-Stamer" Hol's der Teufel type glider (B-0402 "Álmos") in the air 1934 Photograph FOTO:Fortepan www.fortepan.hu (Accessed: May 2018), Id: 132534, Donor: Hungarian Museum Of Technology And Transport / Collection Of Dezso Nyitrai, Inventory number: 790 LL/82985
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