Morse, I. E. (1850). Speech of Isaac E. Morse, of Louisiana, on the President's message in relation to California: Delivered in the House of Representatives, March 14, 1850. Washington: Printed at the Congressional globe office.

Morse, Isaac Edwards. Speech of Isaac E. Morse, of Louisiana, On the President's Message in Relation to California: Delivered in the House of Representatives, March 14, 1850. Washington: Printed at the Congressional globe office, 1850.

Morse, Isaac Edwards. Speech of Isaac E. Morse, of Louisiana, On the President's Message in Relation to California: Delivered in the House of Representatives, March 14, 1850. Washington: Printed at the Congressional globe office, 1850.