- CollectionMS/MS01.138 - William T. McKibben Collection
- Box1 - Untitled
- File1 - Miscellaneous Information on the McKibbens
- File2 - Photos from 1949/50: Ardea-Alutri, Rome
- File3 - Photos from 1950/51: Orvieto, Pompeii, and Peruguia-Assisi
- File4 - Photos from 1957: Bari, Barletta, Arezzo-Firenze, Sparta, Nauplion
- File5 - Postcards to Tim and Charles McKibben
- File6 - Blank Postcards-Italy
- File7 - Blank Postcards-Italy
- File8 - Postcards Addressed to the McKibbens
- 3 more...