Rogers, B. (1934). Four centuries of printing: An exhibition of books printed at the University Press, Cambridge, England, 1534-1934 : held at the Library Company of Philadelphia. Cambridge, England: University Press.

Rogers, Bruce. Four Centuries of Printing: An Exhibition of Books Printed At the University Press, Cambridge, England, 1534-1934 : Held At the Library Company of Philadelphia. Cambridge, England: University Press, 1934.

Rogers, Bruce. Four Centuries of Printing: An Exhibition of Books Printed At the University Press, Cambridge, England, 1534-1934 : Held At the Library Company of Philadelphia. Cambridge, England: University Press, 1934.