"Incunables Bibliographie." . . "anno 1400-1499" . . "Geschichte 1450-1470." . . "Imprimerie 15e siècle." . . "Inkunabler (Bibliografi)" . . "imprimerie 1450 / 1470." . . "Incunables Bibliografía." . . "Incunables." . . . . "The beginning of the world of books, 1450 to 1470 : a chronological survey of the texts chosen for printing during the first twenty years of the printing art : with a synopsis of the Gutenberg documents" . . . . . "The beginning of the world of books : 1450 to 1470 : a chronological survey of the texts chosen for printing during the first twenty years of the printing art : with a synopsis of the Gutenberg documents" . "Electronic books" . . . . "The beginning of the world of books : 1450 to 1470 : a chronological survey of the texts chosen for printing during the first twenty years of the printing art : with a special synopsis of the Gutenberg documents" . . . . . "The beginning of the world of books 1450 to 1470 : a chronological survey of texts chosen for printing during the first twenty years of the printing art: with a synopsis of the Gutenberg Documents"@en . . . "The beginning of the world of books, 1450 to 1470" . "The Beginning of the world of books 1450 to 1470 a chronological survey of the text chosen for printing during the first twenty years of the printing art ; with a synopsis of the Gutenberg documents" . . . "The beginning of the world of books, 1450 to 1470; a chronological survey of the texts chosen for printing during the first twenty years of the printing art, with a synopsis of the Gutenberg documents" . . "The beginning of the world of books, 1450 to 1470. A chronological survey of the texts chosen for printing during the first twenty years of the printing art. With a synopsis of the Gutenberg documents" . . . . . . "Bibliography"@en . "Bibliography" . "The beginning of the world of books, 1450 to 1470 a chronological survey of the texts chosen for printing during the first twenty years of the printing art, with a synopsis of the Gutenberg documents"@en . "The beginning of the world of books 1450 to 1470 : a chronological survey of the texts chosen for printing during the first twenty years of the printing art : Wiht a synopsis of the Gutenberg documents" . . . . . . "The beginning of the world of books, 1450 to 1470 a chronological survey of the texts chosen for printing during the first twenty years of the printing art : with a synopsis of the Gutenberg documents" . . "History" . . . . . "History"@en . . . . . . . . . "The beginning of the world of books 1450 to 1470 : a chronological survey of the texts chosen for printing during the first twenty years of the printing art : with a synopsis of the Gutenberg documents" . . . . . . "The Beginning of the world of books 1450 to 1470 : a chronological survey of the Texts chosen for printing during the first twenty years of the printing art : with a synopsis of the Gutenberg Documents" . . "The Beginning of the World of Books 1450 to 1470 : a chronological survey of the texts chosen for the Gutemberg documents" . . . . . "Incunabuli - 1450-1470 - Bibliografia." . . "Bibliographie." . . "Imprenta Historia Origenes y antecedentes." . . . . "American Council of Learned Societies." . . "Inkunabel." . . "Incunabula as Topic." . . "Printing history." . . "Inkunabuły bibliografia." . . "Incunables Bibliografías." . . "Inkunabel Bibliographie." . .