The series contains files on Brooklyn and historic preservation lectures, dating from the 1970s to 2006. The lectures were primarily delivered by EHO. The files include lecture notes, slide lists, transcripts, clippings, photographs, flyers, audio cassette recordings, and one VHS tape.
Related slides can be found in Sub-series 4.3: Brooklyn and Historic Preservation slides.
Additional lectures delivered by EHO can be found in Sub-series 3.1: Personal papers, memorabilia, and photographs, Sub-series 3.3: Publicity, and Sub-series 7.2: Brownstone Revival Committee lectures, seminars, and workshops.