 The content of "APT Bulletin" consists primarily of articles about the practice and technology of historic preservation, but essays and book reviews are also included.The journal began publication in 1969 as the "Newsletter of the Association for Preservation Technology" (1969), changing its name that same year to the "Bulletin of the Association for Preservation Technology".The journal's title was shortened to the current "APT Bulletin", starting with Volume 18 in 1986.