- 1904, inauguration. Le monument est un don de la Municipal Art Society de Baltimore et s'élève sur un terrain qui faisait partie du domaine de John Eager Howard.
- Save Outdoor Sculpture! website, http://siris-collections.si.edu, 22 February 2016
- https://en.wikipedia.org/wiki/List_of_public_art_in_Baltimore, accessed 22 February 2016
- 1929 Rusk
William Sener Rusk, Art in Baltimore: Monuments and Memorials, Baltimore: Norman, Remington, 1929, pg. 46-48
- 1930 Brown
Warren Wilmer Brown, The Municipal Art Society of Baltimore City: Its Aims and Accomplishments, 1930, pg. 11, 18
- 1971 Hunter
Wilbur Harvey Hunter, The Monumental City, The Rinehart School of Sculpture 75th Anniversary Catalogue 1896-1971, Baltimore, Maryland Institute College of Art, 1971, pg. 27
- 1987 Naylor
Henry and Caroline Naylor, Public Monuments & Sculpture of Baltimore: An Introduction to the Collection, 1987, p. 45
- 1989 Kotarba
Kathleen Kotarba, The Baltimore Bronze Project, Baltimore: Baltimore City Commission for historical and Architectural Preservation, July 1989, p. 8
SOS! website, 22 February 2016:
John Eager Howard (1752-1827) was George Washington's Chief of Staff and Maryland's most distinguished Revolutionary War hero, having fought at the Battle of Cowpens in South Carolina in 1781.