Add to ORKGBlack and white photograph of four people (possibly including Ike and Mabel Yourdon) in a forested picnic area. Ed Yourdon's notes: "Mystery picnic. I'm pretty sure that the man on the left if Ike Yourdon ... and I'm guessing that the woman on the right might be Mabel Yourdon. I have no idea who the other couple is.
Black and white photograph of Ike Yourdon, Marvin Yourdon, and an unidentified couple. Ed Yourdon's...
Black and white photograph of tents set up in a campsite during one of the Yourdons' travels. Ed Yo...
Black and white photograph of tents set up in a campsite during one of the Yourdons' travels. Ed Yo...
Black and white photograph of four people (possibly including Ike and Mabel Yourdon) in a forested p...
Black and white photograph of Yourdon family members and friends on a picnic. Ed Yourdon's notes: "...
Black and white photograph of a sizable gathering of people at a campground or picnic area. Ed Your...
Black and white photograph of Ike Yourdon and relatives of wife Mabel at a picnic ground, location u...
Black and white photograph of two unidentified women in a picnic area, location unidentified. Ed Yo...
Black and white photograph of Mabel Yourdon with several others in a natural setting, possibly durin...
Black and white photograph of the Yourdon family on a camping trip. Ed Yourdon's notes: "It looks l...
Black and white photograph of a group of people (including Marvin Yourdon, center with hat) at a pic...
Black and white photograph of four people on a hike in a mountainous setting. Ed Yourdon's notes: "...
Black and white photograph of Mabel Yourdon next to the family vehicle during a vacation. Ed Yourdo...
Black and white photograph of a couple (Ike and Mabel Yourdon) in a tent during a camping trip. Ed ...
Black and white photograph of Mabel Yourdon and two friends or relatives, probably in California. E...
Black and white photograph of Ike Yourdon, Marvin Yourdon, and an unidentified couple. Ed Yourdon's...
Black and white photograph of tents set up in a campsite during one of the Yourdons' travels. Ed Yo...
Black and white photograph of tents set up in a campsite during one of the Yourdons' travels. Ed Yo...
Black and white photograph of four people (possibly including Ike and Mabel Yourdon) in a forested p...
Black and white photograph of Yourdon family members and friends on a picnic. Ed Yourdon's notes: "...
Black and white photograph of a sizable gathering of people at a campground or picnic area. Ed Your...
Black and white photograph of Ike Yourdon and relatives of wife Mabel at a picnic ground, location u...
Black and white photograph of two unidentified women in a picnic area, location unidentified. Ed Yo...
Black and white photograph of Mabel Yourdon with several others in a natural setting, possibly durin...
Black and white photograph of the Yourdon family on a camping trip. Ed Yourdon's notes: "It looks l...
Black and white photograph of a group of people (including Marvin Yourdon, center with hat) at a pic...
Black and white photograph of four people on a hike in a mountainous setting. Ed Yourdon's notes: "...
Black and white photograph of Mabel Yourdon next to the family vehicle during a vacation. Ed Yourdo...
Black and white photograph of a couple (Ike and Mabel Yourdon) in a tent during a camping trip. Ed ...
Black and white photograph of Mabel Yourdon and two friends or relatives, probably in California. E...
Black and white photograph of Ike Yourdon, Marvin Yourdon, and an unidentified couple. Ed Yourdon's...
Black and white photograph of tents set up in a campsite during one of the Yourdons' travels. Ed Yo...
Black and white photograph of tents set up in a campsite during one of the Yourdons' travels. Ed Yo...