On 4x5's, I use a strip of white artist's tape on the film holder, and I make note of the film type and speed. Then while I'm working, I record exposure, and f-stop. When I transfer the film to a film box or process it, I then transfer that little piece of tape to a notebook in sequence. I use the left side (back side) of a notebook (opened flat, left side).

Then when I go to print, I make print notations on the corresponding right side for the same neg. It's a small notebook with lots of pieces of tape, but I've never lost one!

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