They are organized alphabetically. Atlases are books that have maps and geographic information. You should use them to find places you are searching for or information about certain places . Atlases range from a general collection of maps of the world such as as of the World , to historical atlases such as A Historical Atlas of South Asia , to subject specific atlases such as the Atlas of the Environment . The easiest way to find information in them is to use the index.
Statistics are often necessary in papers.
They help you with numeric evidence that backs up your argument in a paper. Again, you must look up your subject in the Index. Almanacs are useful for information on many different topics. They cover everything from the events of the past year to facts and figures about different places and different populations. They are a great source for quick answers to general questions.