Delays and Sampling
delay lines (simple and multitap), flanging, comb filters, granulation


Flanging, chorusing and comb filtering are fairly basic and ubiquitous, so there's not too many specific web-pages I would recommend. Just google around a bit to see what you find. Ditto for reverb and room-simulation.

But here's a few links just for the heck of it:

Applications and Examples

Class patches: These are pretty basic, but they might be good starting points. You will need some external objects (like John Gibson's, or the [rtcmix~] external) for some of them.