Go to:

http://www.iccahome.org/

and see Restoration Reference Manuals at top left in index.

Or you can learn quite a lot for free by studying these pages here:

http://www.amkproducts.com/Catalog_PDF.htm

For example, if you look at page 109, you'll find screws for "383/440/426 timing cover" and "Chrysler hood hinges".

For a summary, see pages 196 - 201 and also page 405.