Possible Clues:

• Famous Oxford don earlier than expected bringing page in
• Rev W. A. --, noted perpetrator of transposition of initial sounds
• Famous cleric by preference keeping close to bishop
• One known for speech transpositions
• College lecturer declared he'd bought toys by mistake?
• Doctor who might have described himself as a bird-watcher
• Oxford don associated with slips similar to 17-, 28-, 45-, and 59-Across
• "Fervour of pseud" preacher?
• Sound-swapping reverend
• One who gave his name to a transposition of sounds in speech