F. & G. Staack booksellers, located in Camden, Maine, sold books to Mildred Bliss and Beatrix Farrand for the development of the Garden Library at Dumbarton Oaks. They were purveyors of fine books, papers, and prints. Objects at both the Metropolitan Museum of Art and the Cooper-Hewitt in New York City list F. & G. Staack as vendor in the documentation of provenance.
References:
“F. and G. Staack, as ‘Vendor.’” Cooper-Hewitt. Accessed August 1, 2014. https://collection.cooperhewitt.org/people/18058441/objects/vendor/
Myers, Mary L. French Architectural and Ornament Drawings of the Eighteenth Century. New Haven, CT: Yale University Press, 1991. http://www.metmuseum.org/research/metpublications/French_Architectural_and_Ornament_Drawings_of_the_Eighteenth_Century
“Study for a Cartouche.” The Metropolitan Museum of Art. Accessed August 1, 2014. http://www.metmuseum.org/collection/the-collection-online/search/335943