You may also want to browse the table of contents of Revolutionary America . It has a thorough outline of the subjects covered in the bibliography and you can use the terms to search for materials in other sources like electronic databases and catalogs. In addition to the terms listed under Bunker Hill, there are a number of sub-divisions of specific subjects related to the term Bunker Hill. Each term is listed separately with a list of entry numbers. From the entries given in the index, you can see that there is a span of numbers grouped together, which is a clear indication that there is a section of Bunker Hill materials all listed together.
Contemporary accounts are materials written during the time an event took place.
A secondary source is any published material written about a subject at any time period. Each entry contains a citation to a source of information like a journal article, book or printed letters. The citation contains information about the author, the title, and the date of the publication of the source. Pay close attention to what the source is and bear in mind that although something may have been published in the nineteenth century, you can usually get a copy of the material through an interlibrary loan program. Again keep track of the citations on note cards.