"Classifiche". Musica e dischi (in Italian). Retrieved 10 March 2024. Set "Tipo" on "Album". Then, in the "Titolo" field, search "The Lamb Lies Down on Broadway".
Takiff, Jonathan (4 December 1974). "Genesis of a rock 'n' roll band". Philadelphia Daily News. p. 23. Retrieved 23 February 2019 – via Newspapers.com.
Welch, Chris (26 October 1974). "The New Face of Gabriel". Melody Maker. pp. 28–29. Retrieved 22 April 2016. Note: In the article Gabriel erroneously refers to a "character" named Rael, but "Rael" in the Who song is actually a place.