That question is too general.
Once you have spent some time with a list that YOU GENERATED, it will be easier to contribute.
Here is a Microsoft Word document that you can use as a form. Down load it, fill it out and it will automatically update the date each time you save it.
Print out a master and take it out on your hunt. After a few trips and a lot of thinking, you will have it covered.
http://www.tincher.to/CHECK-11.DOC