Sheetlines articles available as PDF downloads:
Anon, 'Charles Frederick Arden-Close 1865-1952', Sheetlines 2 (1981)
David Archer, 'Brian Adams' Projections & Origins (2006)
David Archer, 'Alan Sillitoe' Sheetlines 88 (2010)
C.I.M. O’Brien, ‘A Man for his time? Sir Charles Arden-Close 1865-1952’, Sheetlines 34 (1992)
C.I.M. O’Brien, ‘Brian Adams', Sheetlines 75 (2006)
Richard Oliver, 'Guy Messenger', Sheetlines 38 (1994)
Rob Wheeler and David Archer, 'Timothy Robert Nicholson', Sheetines 85 (2009)