"George C. Hamel was a German-US-American book seller."@en . "Comprising handwritten and typewritten letters the correspondence deals mainly with the purchase of certain published material by The Wiener Library. Contained is a list of available items from Hamel’s store."@en . . . . . . "This material has been digitised. Readers should book a reading room terminal to access it."@en . . "Correspondence with Hamel, George C."@en . "37 letters"@en . . . . . "WL3000/9/1/555" .