"Founded in 1852 Plon is a French publishing house."@en . "Correspondence regarding a planned anthology of German authors from the period of the Weimar Republic, and relevant books available in the stock of The Wiener Library."@en . . "WL3000/9/1/899" . . "Correspondence with Librairie Plon"@en . . . "8 letters"@en . . . "This material has been digitised. Readers should book a reading room terminal to access it."@en . . . . .