Quarterly Book Department

250px|right|thumb|Book list with notations by Greta Chambers and Boris de Zirkoff The Quarterly Book Department was the publishing and book sales arm of Theosophical Society in America (later renamed Theosophical Society) headed by Ernest Temple Hargrove. It was most active in the 1920s and 1930s, but publication tapered off after 1938. Book sales continued into the 1950s.