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Billy Markus

The archive is edited continuously; cite the access date. For scholarly work, please also consult the primary sources listed in the entry's references.

The Keeper's editorial team. (2026). Billy Markus. Humans of History. Retrieved September 14, 2026, from https://humansofhistory.com/person/billy-markus

"Billy Markus." Humans of History, 9 Sep. 2026, https://humansofhistory.com/person/billy-markus. Accessed 14 Sep. 2026.

Humans of History. "Billy Markus." Last modified September 9, 2026. https://humansofhistory.com/person/billy-markus.

@misc{hoh-billy-markus,
  title        = {Billy Markus},
  author       = {{The Keeper's editorial team}},
  year         = {2026},
  howpublished = {\url{https://humansofhistory.com/person/billy-markus}},
  note         = {Humans of History archive, accessed 2026-09-14}
}