Fuegi, J.; Francis, J. (October–December 2003), "Lovelace & Babbage and the creation of the 1843 'notes'", Annals of the History of Computing, 25 (4): 16–26, Bibcode:2003IAHC...25d..16F, doi:10.1109/MAHC.2003.1253887
In 1998 and 2000 compilers were created for the language as a historical exercise. Rojas, Raúl, et al. (2000). "Plankalkül: The First High-Level Programming Language and its Implementation". Institut frame Informatik, Freie Universität Berlin, Technical Report B-3/2000. (full text)
Fuegi, J.; Francis, J. (October–December 2003), "Lovelace & Babbage and the creation of the 1843 'notes'", Annals of the History of Computing, 25 (4): 16–26, Bibcode:2003IAHC...25d..16F, doi:10.1109/MAHC.2003.1253887