Ferré, L. A. (1970). Cultural reaffirmation in the new life: A speech delivered on Heritage Day, October 12, 1969, San Juan, Puerto Rico. Washington, D.C.: Office of the Commonwealth of Puerto Rico.

Ferré, Luis Alberto. Cultural Reaffirmation in the New Life: A Speech Delivered On Heritage Day, October 12, 1969, San Juan, Puerto Rico. Washington, D.C.: Office of the Commonwealth of Puerto Rico, 1970.

Ferré, Luis Alberto. Cultural Reaffirmation in the New Life: A Speech Delivered On Heritage Day, October 12, 1969, San Juan, Puerto Rico. Washington, D.C.: Office of the Commonwealth of Puerto Rico, 1970.