- 1Draughtsmen's notebook by H. Guthrie (YA1966.24/3/6/1)
1893 February 13 - 1895 March 6, item - 2Draughtsmen's notebook by H. Guthrie (YA1966.24/3/6/2)
1895 April 25 - 1900 September 27, item - 3Draughtsmen's notebook by H. Guthrie (YA1966.24/3/6/3)
1898 November 28 - 1906 February 8, item - 4Draughtsmen's notebooks (YA1966.24/3/6)
c1893-c1912, sub-series
