This series, also called Hispanic books printed before 1601, is based on the bibliographies listed below and covers early books printed in Spain, Portugal, and Latin America 

• Penney, Clara Louise, ed. List of Books Printed before 1601 in the Library of the Hispanic Society of America.
• Thomas, Henry. Short-title Catalogues of Spanish, Spanish-American and Portuguese Books Printed before 1601 in the British Museum.
• Simon Diaz, Jose. Bibliographia de la Literatura Hispanica. 

​Titles cataloged individually.