"FEBT Begins Survey for HAER," p. Altland, "1970s Visit to NARCO," p. Arford, "Mineralogy of the EBT: Ganister Rock," p. Padgett, "Modules at Manchester: EBT in Two Scales" (HOn3, On3), s. Wakefield, "As I Recall...Overhaul," p. White, "Commentary: The Real Thing [EBT Shops]," m, p.
Abbreviations denote the following features: g (graph), m (map), p (photograph), and s (sketch or non-photographic illustration).
