Add to ORKGBlack and white photograph of four people on a hike in a mountainous setting. Ed Yourdon's notes: "Mystery family, in the mountains. I really don't know anything about this photo -- no idea when it was taken, or where.
Black and white photograph of a woman and two young children outside a house. Ed Yourdon's notes: "...
Black and white photograph of a waterfall, possibly in Colorado. Ed Yourdon's notes: "Mystery water...
Black and white photograph of people outside a house, possibly in southern California. Ed Yourdon's...
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 with several others in a natural setting, possibly durin...
Black and white photograph of a mountainside with steep cliffs and a tall, narrow waterfall, possibl...
Black and white photograph of a desert landscape with a prominent rock outcrop. Ed Yourdon's notes:...
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 mountain road with a tunnel through a hill. Ed Yourdon's notes: "My...
Black and white photograph of four young children, some of whom may be connected to the Yourdon fami...
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 tents set up in a campsite during one of the Yourdons' travels. Ed Yo...
Black and white photograph of Mabel Yourdon and two friends or relatives, probably in California. E...
Black and white photograph of four people (possibly including Ike and Mabel Yourdon) in a forested p...
Black and white photograph of a woman and two young children outside a house. Ed Yourdon's notes: "...
Black and white photograph of a waterfall, possibly in Colorado. Ed Yourdon's notes: "Mystery water...
Black and white photograph of people outside a house, possibly in southern California. Ed Yourdon's...
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 with several others in a natural setting, possibly durin...
Black and white photograph of a mountainside with steep cliffs and a tall, narrow waterfall, possibl...
Black and white photograph of a desert landscape with a prominent rock outcrop. Ed Yourdon's notes:...
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 mountain road with a tunnel through a hill. Ed Yourdon's notes: "My...
Black and white photograph of four young children, some of whom may be connected to the Yourdon fami...
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 tents set up in a campsite during one of the Yourdons' travels. Ed Yo...
Black and white photograph of Mabel Yourdon and two friends or relatives, probably in California. E...
Black and white photograph of four people (possibly including Ike and Mabel Yourdon) in a forested p...
Black and white photograph of a woman and two young children outside a house. Ed Yourdon's notes: "...
Black and white photograph of a waterfall, possibly in Colorado. Ed Yourdon's notes: "Mystery water...
Black and white photograph of people outside a house, possibly in southern California. Ed Yourdon's...