Dignitatis humanae (English Wikipedia)

"Thus, during the final vote on the morning of December 7 (when the fathers had to choose between a simple approval or disapproval of the last draft), Lefebvre was one of the 70 — about 3 percent of the total — who voted against the schema." Marcel Lefebvre: Signatory to Dignitatis humanae, by Brian Harrison

commonwealmagazine.org

Faggioli, Massimo (9 May 2019). "A Postscript to Dignitatis Humanae". Commonweal. Retrieved 10 May 2019.

Brian Mullady (1994). "Religious Freedom: Homogeneous or Heterogeneous Development?". The Thomist. 58: 93–108. doi:10.1353/tho.1994.0044. S2CID 171194888. Archived from the original on 13 March 2017. Retrieved 3 May 2011.

Brian Mullady (1994). "Religious Freedom: Homogeneous or Heterogeneous Development?". The Thomist. 58: 93–108. doi:10.1353/tho.1994.0044. S2CID 171194888. Archived from the original on 13 March 2017. Retrieved 3 May 2011.

"Religious liberty contradicts Tradition". District of the USA. December 3, 2012.
"What Are Catholics to Think of Vatican II?". Archived from the original on 7 March 2011. Retrieved 3 May 2011.

"It was suddenly announced that the document on Religious Liberty would be handed to a new commission for revision – a commission that included some of the most moss-backed of the moss-backed conservatives (to borrow a phrase from Archbishop Connolly!), including Archbishop Lefebvre, who later established the schismatic Society of St. Pius X." Vatican II, Part 4: The Third Session Archived September 4, 2007, at the Wayback Machine, Corinna Laughlin, St. James Cathedral, Seattle

Brian Mullady (1994). "Religious Freedom: Homogeneous or Heterogeneous Development?". The Thomist. 58: 93–108. doi:10.1353/tho.1994.0044. S2CID 171194888. Archived from the original on 13 March 2017. Retrieved 3 May 2011.

"Roman Catholics: Cum Magno Dolore". Time. October 23, 1964. The bishops' letter apparently proved effective. In interviews with Bea and Frings, Paul VI agreed that the Christian Unity office would bear the major responsibility for revising the two declarations, said also that the bishops themselves could decide whether a fourth session was necessary.

The full text of a translation into English is available from the Holy See's website Archived February 11, 2012, at the Wayback Machine
"La Libertà Religiosa per il Bene di Tutti, Approcio Teologico alle Sfide Contemporanee" (in Italian). International Theological Commission, Subcommission on Religious Freedom. Retrieved 10 May 2019 – via Holy See. The official text is available only in Italian.

The full text of a translation into English is available from the Holy See's website Archived February 11, 2012, at the Wayback Machine
"It was suddenly announced that the document on Religious Liberty would be handed to a new commission for revision – a commission that included some of the most moss-backed of the moss-backed conservatives (to borrow a phrase from Archbishop Connolly!), including Archbishop Lefebvre, who later established the schismatic Society of St. Pius X." Vatican II, Part 4: The Third Session Archived September 4, 2007, at the Wayback Machine, Corinna Laughlin, St. James Cathedral, Seattle
"What Are Catholics to Think of Vatican II?". Archived from the original on 7 March 2011. Retrieved 3 May 2011.
Brian Mullady (1994). "Religious Freedom: Homogeneous or Heterogeneous Development?". The Thomist. 58: 93–108. doi:10.1353/tho.1994.0044. S2CID 171194888. Archived from the original on 13 March 2017. Retrieved 3 May 2011.