1. ‘Abdu’l-Bahá. 1912a. “Beauty and Harmony in Diversity.” Paris Talks. www.Bahai.org/r/403173768.
2. ‘Abdu’l-Bahá. 1912b. “Talk at Church of the Ascension, New York”. The Promulgation of Universal Peace. www.bahai.org/r/436787777.
3. ‘Abdu’l-Bahá. 1912c. “The First Principle: Search after Truth.” Paris Talks. www.Bahai.org/r/638700447.
4. ‘Abdu’l-Bahá. 1912d. “Religion Should be the Cause of Love and Affection.” Paris Talks. www.Bahai.org/r/089115387.
5. ‘Abdu’l-Bahá. 1916. “Tablet to the Bahá’ís of the United States and Canada.” Tablets of the Divine Plan. www.bahai.org/r/909317146.