"This material has been digitised. Readers should book a reading room terminal to access it."@en . . . . "Correspondence regarding the Marxist theoretician Alexander Parvus."@en . . . "4 letters"@en . . . "Correspondence with Scharlau, Winfried"@en . "Winfried Scharlau was a German PhD candidate at the university in Münster."@en . "WL3000/9/1/1202" . . .