The Early Oxford Press

book is generally composed. These are placed just below the last letters

of the printed page, close under them. Now the earliest known book with a date in which signatures elsewhere occur in this developed form is an ©Expositio Decalogi©, by Johannes Nider, printed at Cologne by Koelhoff in 1472, the next being a Cologne book by F. de Platea in 1474. The argument is that it is extre...