Deletion of Ralph Clarke (mayor)

Comment: Is the nom familiar with ? Especially D. "Search for additional sources, if the main concern is notability - 1. The minimum search expected is a normal Google search, a Google Books search, a Google News search, and a Google News archive search; Google Scholar is suggested for academic subjects. 3. If you find that adequate sources do appear to exist, the fact that they are not yet present in the article is not a proper basis for a nomination." It's also not a valid basis for nomination that the article does not have a "claim of notability". In this case, the subject of this article is covered in ''History of Chesterfield: pt. 1. Tudor and Stuart Chesterfield'' (1984) https://books.google.com.au/books/about/History_of_Chesterfield_pt_1_Tudor_and_S.html?id=9k2AAAAAIAAJ&redir_esc=y, ''The History of Chesterfield: With Particulars of the Hamlets Contiguous to the Town, and Descriptive Accounts of Chatsworth, Hardwick, and Bolsover Castle'' (1839), https://books.google.com.au/books?id=gGE2AAAAMAAJ&pg=PA319&lpg=PA319&dq=%22Ralph+Clarke%22+1660&source=bl&ots=XdcPinwJlc&sig=G9MRFOa6S_-BhjzAJ2oQDDBRmYY&hl=en&sa=X&ved=2ahUKEwjl09_ssrPfAhUBbrwKHWb1AccQ6AEwBHoECAUQAQ#v=onepage&q=%22Ralph%20Clarke%22%201660&f=false, ''History of Chesterfield: Records of the Borough of Chesterfield and related documents 1204-1835, Volume 5'' (1980) https://books.google.com.au/books?id=QiyAAAAAIAAJ&dq=%22Ralph+Clarke%22+Chesterfield&focus=searchwithinvolume&q=%22Ralph+Clarke%22+mayor, ''The book of Chesterfield: a portrait of the town'' (1977) https://books.google.com.au/books?id=wspAAAAAYAAJ&q=%22Ralph+Clarke%22+Chesterfield&dq=%22Ralph+Clarke%22+Chesterfield&hl=en&sa=X&ved=0ahUKEwik3fSKt7PfAhXILY8KHVh4BZEQ6AEITzAH, ''Adventures for land, 1642-1659'' (1900) https://books.google.com.au/books?id=1GY3O61ZGlEC&q=%22Ralph+Clarke%22+Chesterfield&dq=%22Ralph+Clarke%22+Chesterfield&hl=en&sa=X&ved=0ahUKEwik3fSKt7PfAhXILY8KHVh4BZEQ6AEIUzAI, and newspaper articles in 1881, 1892, 1920, etc. He clearly meets 
Stance: keep
Cited policy: Wikipedia:Articles for deletion (WP:BEFORE||WP:BASIC)