Mathias James O'Conway, Philologist, Lexicographer and Interpreter of Languages, 1866-1842. Records of the American Catholic Historical Society of Philadelphia. Volume X. Pages [2], 257-299.

Eitemau Tebyg

• Mathias James O'Conway, Philologist, Lexicographer and Interpreter of Languages, 1866-1842. Records of the American Catholic Historical Society of Philadelphia. Volume XI. Pages 9-32.
  gan: Flick, Lawrence F. (Lawrence Francis), 1856-1938.
  Wedi'i Greu: (1900)
• Mathias James O'Conway, Philologist, Lexicographer and Interpreter of Languages, 1866-1842. Records of the American Catholic Historical Society of Philadelphia. Volume XI. Pages 156-177.
  gan: Flick, Lawrence F. (Lawrence Francis), 1856-1938.
  Wedi'i Greu: (1900)
• Mathias James O'Conway, Philologist, Lexicographer and Interpreter of Languages, 1866-1842 (continued). Records of the American Catholic Historical Society of Philadelphia. Volume X. Pages [2], 385-422.
  gan: Flick, Lawrence F. (Lawrence Francis), 1856-1938.
  Wedi'i Greu: (1899)
• Letter, To: Matthias O'Conway From: Elizabeth Ann Seton and Cecilia O'Conway, June 25, 1809.
  gan: Seton, Elizabeth Ann, Saint, 1774-1821., et al.
  Wedi'i Greu: (1809)
• Letter, To: Matthias O'Conway From: Elizabeth Ann Seton, [prior to 1818].
  gan: Seton, Elizabeth Ann, Saint, 1774-1821.
  Wedi'i Greu: (1817)