"This material has been digitised. Readers should book a reading room terminal to access it."@en . . . "WL3000/9/1/660" . "Correspondence with Istituto Giangiacomo Feltrinelli"@en . . . "Correspondence regarding the exchange of books."@en . . "25 letters"@en . . . . . . "The Istituto Giangiacomo Feltrinelli (now Feltrinelli Editore) is an Italian publishing house."@en .