The compiler is described in: George Radin (May 1983). "The 801 Minicomputer". IBM Journal of Research and Development. 27 (3): 237–246. doi:10.1147/rd.273.0237.
Maergner, Juergen; Schwermer, Hartmut R. (September 1988). "I370 - a new dimension of microprogramming". ACM SIGMICRO Newsletter. 19 (3): 24–31. doi:10.1145/62185.62189. ISSN1050-916X. S2CID2068407.
Gellerich, W.; Hendel, T.; Land, R.; Lehmann, H.; Mueller, M.; Oden, P.H.; Penner, H. (May 2004). "The GNU 64-bit PL8 compiler: Toward an open standard environment for firmware development". IBM Journal of Research and Development. 48 (3.4): 543–556. doi:10.1147/rd.483.0543.