1915 Runabout manual

Hi, I am hoping I came to the right place. My father-in-law is looking for a mechanics manual for a 1915 Model T Runabout. I tried using the search, but was not sure which forum topic to look in. If there is anybody that can point me in a direction to look I would appreciate it. I image this is going to much like a treasure hunt, following one clue to the next I just don’t have the first clue to start with. Thanks in advance for any help you can provide.

The Model T Ford Service Manual available from the Model T Ford vendors like Lang’s or Snyders is the best resource you can find. It’s not specific to 1915 but covers all years.