Series II. Personal Papers contains materials not directly related to the expedition. Included in this series is correspondence, received and sent both during and after the expedition. There are also items that Frizzell collected such as maps, articles on sea horses, post cards, and other souvenirs from his travels. There is a folder of miscellaneous items which includes a booklet of questions and answers from volume one of the Mariner's Guide, and a "Supplement to General Information Concerning Patents Pamphlet."