| Fermanagh's railways : a photographic tribute | Friel, Charles, P.Johnston, N. | Monograph or Collective Volume | Colourpoint press | 1998 |
| Locomotives of the GNRI | Johnston, N. | Monograph or Collective Volume | Colourpoint Books | 1999 |
| Methodism in Omagh : An historical account of Methodism, over two centuries, in the Omagh and Fintona circuit | Johnston, N.Preston, D. | Monograph or Collective Volume | | 1982 |
| Omagh Academy : a short history | Johnston, N. | Monograph or Collective Volume | Omagh Academy | 1991 |
| The Clogher Valley Railway | Johnston, N.Patterson, E. M. | Monograph or Collective Volume | Colourpoint Books | 2004 |
| The Fintona horse tram : the story of a unique Irish branch line | Johnston, N. | Monograph or Collective Volume | West Tyrone Historical Society | 1992 |
| The Great Northern Railway (Ireland) in colour | Johnston, N. | Monograph or Collective Volume | Colourpoint | 2005 |
| The Great Northern Railway in county Tyrone | Johnston, N. | Monograph or Collective Volume | West Tyrone Historical Society | 1991 |
| The Irish narrow gauge in colour | Johnston, N. | Monograph or Collective Volume | Colourpoint Books | 2003 |
| Ulster in the 1950's : photos from the UTA archive 2 | Johnston, N. | Monograph or Collective Volume | Colourpoint | 2008 |