Fundamentalists claim that—until recently— the only acceptable view of Genesis was that the earth was created in six days, but this was not always the case.
Biblical Reasons to Doubt the Creation Days Were 24-Hour Periods
How was the Genesis Account of Creation Interpreted Before Darwin? - BioLogos
2 Creation Accounts in Genesis? – Austin Gentry
Dating creation - Wikipedia
Creation & Genesis According to the Saints
Misunderstanding the Book of Genesis - JSTOR Daily
Genesis, Creation and Early Man: The Orthodox Christian Vision: Rose, Fr. Seraphim: 9781887904025: : Books
Early Christian art and architecture - Wikipedia
Persecution in the Early Church: Did You Know?, Christian History
Creationism Answers in Genesis
Augustine on the Days of Creation
The Book of Genesis Catholic Answers Magazine
Commentary: What the early church thought about God's gender. Hint: Think 'She,' not 'He.