The information you have here is excellent! I would like to add, however, that a strict schedule or routine itself is often the cause of low supply. God designed our bodies to work more in a rhythm rather than a set schedule, and designed their little bodies to fluctuate in amount needed. For instance, it is normal for infants to engage in what is called "cluster feeding", which means they are at the breast for 3 or more hours at a time, with only a short break in between nursing sessions. Comfort nursing is also another way God gave us to keep our supply up. The first 2-3 weeks are the most important time to establish a supply, and the best way to do that is to nurse, nurse, nurse. The AAP recommends against a schedule, and there is plenty of good information on kellymom.com which I see you referenced as to why cue-feeding rather than a set schedule is a better way to feed a baby and keep up supply. :) A very excellent book on establishing and maintaining a breastmilk supply, written by two of the foremost respected lactation consultants, is "Breastfeeding Made Simple: Seven Natural Laws for Nursing Mothers". They go into a bit of scientific detail regarding schedule-feeding versus cue-feeding and WHY it affects things that way.

In my work with lactating women, I have noticed a trend with women who follow recommendations from places like the so-called "Babywise"--they often lose most or all of their supply around 4 months, when a final hormonal shift takes place. Nearly every time, it can be traced back to insufficient hormonal stimulation particularly in the first few weeks while their bodies were figuring things out.

There are a small number of cases where a schedule might be beneficial (a baby who is sick, or not interested in eating and not eating often enough), but the experts on breastfeeding seem to agree on cue-feeding rather than schedules. :) Just food for thought. :)