Michigan Anti-slavery Society. Executive Committee. (1841). Signal of liberty. N. Sullivan.
Dyfyniad Arddull ChicagoMichigan Anti-slavery Society. Executive Committee. Signal of Liberty. Ann Arbor, Mich.: N. Sullivan, 1841.
Dyfyniad MLAMichigan Anti-slavery Society. Executive Committee. Signal of Liberty. N. Sullivan, 1841.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.