Here are some articles and FAQs from the LLLI website about increasing your milk.
LLLI articles specific to low milk production issues
How to Get Your Milk Supply Off to a Good Start
How can I tell if my baby is getting enough milk?
How often should I nurse my baby?
Why Does My Baby Suddenly Want to Breastfeed Constantly? (growth spurts)
How Can I Increase My Milk Supply?
Starting Over (rebuilding your milk supply)
The Impact of Thyroid Dysfunction on Lactation
I may have hypothyroidism; can I still breastfeed my baby?
I may have an overactive thyroid; can I still breastfeed my baby?
I'm pumping my milk to feed my baby, but my supply is going down. What can I do?
I want to know if my breasts are making milk normally. Do I have enough milk?
Cue Feeding: Wisdom and Science
LLLI articles on breastmilk production
Anatomy of a Working Breast
How Mother's Milk Is Made