The best installation documentation comes with the kernel source code:
Linux 2.0: drivers/sound
Linux 2.1: Documentation/sound
With linux 2.1 you get a separate doc file for (almost ?) each supported sound card.
With linux 2.0 you may wish to look inside the driver source code oir
header file for comments.
OSS site: http://www.opensound.com/pguide
The source code of kernel and applications !
General information and installation hints
HOWTO and mini HOWTO pages: http://www.linuxdoc.org/
Sound-HOWTO by Jeff Tranter
THIS PUBLICATION IS NOT A REWRITTEN Sound-HOWTO
My copy 1.19 23-Jan-1998. I only looked at it once in order to give this details.
Gravis-Ultra-Sound by Nocolai Langfeldt
Soundblaster-16 by Eric Z. Ayers
Soundblaster-AWE by Marcus Brinkmann