Marked proofs, 35 pages with plates and figures of a contribution by CP to a publication edited by FF Potter, 'The Practical Senior Teacher' volume III 'Science'. The copy is marked in CP's hand, 'Own copy, 1st proofs'. With the proofs is a three-page flyer for the book. There is also a letter and agreement between Sir I Pitman and Sons (publishers) and CP (Nov-Dec 1932) and a letter from 'Education' granting permission to quote from 'School Gardening' 1932.