Lex, C. E. 1. (1841). An address delivered before the Phrenakosmian Society of Pennsylvania College: At the celebration of their tenth anniversary, February 22, 1841. Gettysburg: Printed by H.C. Neinstedt.

Lex, Charles E. 1812-1872. An Address Delivered Before the Phrenakosmian Society of Pennsylvania College: At the Celebration of Their Tenth Anniversary, February 22, 1841. Gettysburg: Printed by H.C. Neinstedt, 1841.

Lex, Charles E. 1812-1872. An Address Delivered Before the Phrenakosmian Society of Pennsylvania College: At the Celebration of Their Tenth Anniversary, February 22, 1841. Gettysburg: Printed by H.C. Neinstedt, 1841.