Alban-Butler

The Internet Archive has full-text PDFs of Alban Butler’s twelve-volume set, Lives of the Fathers, Martyrs, and Other Principal Saints (Thomas Richardson, 1842–46):

• Volume 1
• Volume 2
• Volume 3
• Volume 4
• Volume 5
• Volume 6
• Volume 7
• Volume 8
• Volume 9
• Volume 10
• Volume 11
• Volume 12