This is an excellent step by step guide to building an acoustic steel-string by Jonathan Sevy. It's intended to be a pictorial journey through the required steps in the construction of a acoustic guitar.  Sevy uses the general approach  described by Irving Sloane in the book "Steel-String Guitar Construction" (E.P. Dutton and Co., NY, 1975).  With some variations for arched tops, neck joints and  truss rods.

The photographs show a array of specialised luthiery tools and jigs, but the same job can be done with less standard equipment - for example using a hand-held jigsaw instead of a bandsaw or a handplane instead of a jointer and planer.

Link: J. Sevy, Building an Acoustic Steel-String Guitar