Kodak Professional Black And White Films
(Specifications And Development Data For All Of Kodak's Black And White Films)

Kodak Darkroom Design
(Kodaks' Recommendations for the Amateur Darkroom )

Black And White World
(Magazine Format, with Chat, Forum and Links)

Photographic Chemical Descriptions
(Chemical Compounds, Formulas and Safety Info)

Digital Truth Photo Source
("The Massive Dev Chart" - Excellent, Techniques, File Downloads, Forum, and Links)

Darkroom.Org
(Alternative Processes and Links)

The Alternative Photographic Process FAQ
(Non Silver - Gelatin Technology)

Ilford Corporation
(Ilford Products)

Beseler Corporation
(Beseler Products - Enlargers Etc.)

Durst Online
(Durst Photographic Products - Enlargers Etc.)

Photography Links at johngusty.com
(Manufacturer & Supplier Index, A to Z - Plus Numerous Other Links)
Excellent!

spi Photography & Darkroom Supplies
(Photographic Products and Prices)

Jobo Darkroom Products
(Darkroom Products with Pictures)

ShutterBug Online
Magazine Format - Lots Of Good Info On Various Topics