Almost any recipe can be modified to use with your crock pot, that's why crock pots are great. Crock pots can be hard to clean, but if you use a liner it is much easier.
There are several books available for the rival slow cooker. Rival Crock Pot: 3 Books in 1: Slow Cooker Favorites/Winning Slow Cooker Recipes is probably the biggest one out there. Another great one that is available is the Rival New Creative Crock-pot/slow Cooker Cookbook
1976
its when its set high
A crock can be kept in a freezer without any problem, if that's what you are wondering.
Yes
5 qts
From Wikipedia: The Naxon Utilities Corporation of Chicago developed the Naxon Beanery All-Purpose Cooker. Rival Industries bought Naxon in 1970, and reintroduced it under the Crock-Pot name in 1971.
438 quarts
Check the manufacturer's website.
The temperature settings on a Rival Crock-Pot are listed by increasing temperature meaning that the high setting is represented by the higher numeral and the low setting is represented by the lower numeral. So, "I" means low and "II" means high.
5-Quarts.