"E Pluribus Unum 2". Collins English Dictionary: Complete & Unabridged 10th Edition. HarperCollins. Retrieved December 23, 2012.
slbenfica.pt
"Símbolos: Emblema do SL Benfica" [Symbols: SL Benfica's emblem]. SL Benfica (in Portuguese). Archived from the original on January 4, 2024. Retrieved January 4, 2024.
"Símbolos: Emblema do SL Benfica" [Symbols: SL Benfica's emblem]. SL Benfica (in Portuguese). Archived from the original on January 4, 2024. Retrieved January 4, 2024.