Lactation Education Resources (LER) has a wide variety of handouts available.
Best yet, they are free and available for your use!
You can download handouts for lactation professionals here. These cover topics like:
All Purpose Nipple Ointment
Breast Massage & Compression
Estimating Milk Supply
Sample Job Description
You can download handouts for parents here. These cover a wide range of categories:
There are also several handouts available in Spanish and Chinese