found: Merriam-Webster dictionary online, Oct. 22, 2018(checklist : a list of things to be checked or done; also : a comprehensive list)
found: Dictionary.com unabridged, Oct. 22, 2018(checklist Also check list: a list of items, as names or tasks, for comparison, verification, or other checking purposes)
found: Collins English dictionary online, Oct. 22, 2018(check list: a list of items, facts, names, etc, to be checked or referred to for comparison, identification, or verification)
found: Reitz, J.M. ODLIS : online dictionary for library and information science, viewed Oct. 22, 2018(checklist: A comprehensive list of books, periodicals, or other documents that provides the minimum amount of description or annotation necessary to identify each work--briefer than a bibliography. Also, the log kept by a library to record the receipt of each number of a serial publication or part of a work in progress. Also refers to a list of items required, or procedures to be followed, such as the steps in a library's opening or closing routine. Also spelled check-list.)
