Galbreath, Charles Burleigh. Seals and Ohio flag. Monthly Bulletins of the Ohio State Library (Columbus, Ohio: Ohio Board of Library Commissioners). 1902, 2 (4): 1–5 [2022-07-14]. (原始内容存档于2022-07-14) –通过Google Books.
An act designating the duties of the secretary of state. Acts of the State of Ohio: first session of the General Assembly, held under the Constitution of the State. Norwalk, Ohio: The Lansing Company. 1901: 17–18 [1803] [2022-07-14]. (原始内容存档于2022-07-14).
Swan, J. R. (编). Secretary of State. Statutes of the State of Ohio, of a general nature, in force, December 7, 1840. Columbus, Ohio: Samuel Medary. 1841: 850 [2022-07-14]. (原始内容存档于2022-07-14).
FINAL Legislative Status Sheet - 121st GA(PDF). Ohio Legislative Service Commission. 1996-12-31 [2010-10-17]. (原始内容存档(PDF)于2022-07-14). [SB 213] Great Seal/Coat of Arms-change-13 rays
Rotunda. The Ohio Statehouse. Capitol Square Review and Advisory Board. 2005-12-20 [2007-08-04]. (原始内容存档于2007-09-29).
Bennett, Pamela J.; January, Alan. Indiana's State Seal—An Overview. Indiana Historical Bureau. January 21, 2005 [2008-05-31]. (原始内容存档于2009-04-19).
Galbreath, Charles Burleigh. Seals and Ohio flag. Monthly Bulletins of the Ohio State Library (Columbus, Ohio: Ohio Board of Library Commissioners). 1902, 2 (4): 1–5 [2022-07-14]. (原始内容存档于2022-07-14) –通过Google Books.
An act designating the duties of the secretary of state. Acts of the State of Ohio: first session of the General Assembly, held under the Constitution of the State. Norwalk, Ohio: The Lansing Company. 1901: 17–18 [1803] [2022-07-14]. (原始内容存档于2022-07-14).
Swan, J. R. (编). Secretary of State. Statutes of the State of Ohio, of a general nature, in force, December 7, 1840. Columbus, Ohio: Samuel Medary. 1841: 850 [2022-07-14]. (原始内容存档于2022-07-14).
FINAL Legislative Status Sheet - 121st GA(PDF). Ohio Legislative Service Commission. 1996-12-31 [2010-10-17]. (原始内容存档(PDF)于2022-07-14). [SB 213] Great Seal/Coat of Arms-change-13 rays