On the Grid : Ars Libri
"Ars Libri maintains the largest stock in America of rare and out-of-print books on art, specializing in academic library collection development, and offering scholarly collections en bloc, as well as individual rare books and documents. Founded in 1976, it has an international reputation as a source for scholars, collectors, artists, and everyone else with an interest in the visual arts. Ars Libri covers all periods and all fields of art history, from antiquity to the present, including architecture, archaeology, photography, and the decorative arts." - Adam&Co.