Joyful Recollections of Trauma
Though any memoir could be considered documentary practice, this particular one was inspired by Scheer diving into his own archives (or collections). It's also hilarious and heartbreaking.
Working: People Talk About What They Do All Day and How They Feel About What They Do
A fascinating look at jobs and what great documentation and oral history can convey.
Writing Alone and with Others
This book has a wealth of memoir writing exercises that can easily be adapted to writing about family and community histories. If your family/community responds better to writing prompts than an oral history interview, this book is an excellent resource to jog memories.