<<Disclaimer: Verify this information before applying it to your situation.>>

Chickpea flour is also available through The King Arthur Flour Baker's
Catalogue in Norwich, VT. It is not inexpensive!  8 oz. (1/2 lb.) for
$3.50 plus shipping. You can call 1-800-827-6836 to order or request a
catalogue. They also carry other gluten-free flours.
        I have no association with this company, other than satisfaction
with their products.    Lynn in Omaha
BTW Bob's Red Mill sells many gluten-free products in a local grocery store
Health food section. I've used their products with no ill effects, so I
personally know of no contamination problems, although they also produce
gluten containing products.