These images are from a collection of loose photographs and memorabilia, kept in a cardboard box by my grandfather, Joseph Cahalan, MD.  I grouped them loosely before scanning.

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Given the family relations pictured here, there can be little doubt that these images were part of the collection of Aunt Sarah Knapp, a dedicated genealogist and the sister of Della Knapp Cahalan, wife of John C. Cahalan, Sr. I'm not sure, however, if they came with my grandfather's (Joseph Cahalan, Sarah Knapp's nephew's) photographs, or in a separate batch when Anne Marie Cahalan Sullivan, Sarah's neice, passed away. One thing is certain, however: all images here were part of a group of photos that were collected and sometimes annotated by Sarah Knapp, and passed down through her niece and nephew.

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Numbered in the order in which they were scanned--a indicates the face, or obverse, of the photo, and b indicates its reverse (if information was to be found there)--this group includes several photographs which have been identified; that information is included in the captions to the images. The originals were first grouped and scanned on July 7th, 2007, and are filed under that date. They have been re-scanned at a higher definition for this upload.