Harper, Douglas. River, Railway and Ravine. Foot Suspension Bridges for Empire. 2015.
(HARPER)- Thorough account of the history of Harper suspension bridges written by the great-grandson of John Harper.
- 1871 Aboyne - Waterside, Aboyne vicinity, Scotland, United Kingdom
- 1871 Hunting - Shocklach Green vicinity, England, United Kingdom
- 1872 Ravenscraig - Dundee, Scotland, United Kingdom
- 1879 Swing - Monymusk, Scotland, United Kingdom
- 1880 Birkhall - Birkhall, Ballater, Scotland, United Kingdom
- 1880 Burnhervie - Burnhervie, Inverurie vicinity, Scotland, United Kingdom
- 1881 Cromdale - Cromdale, Scotland, United Kingdom
- 1886 Blairgowrie - Blairgowrie, Scotland, United Kingdom
- 1887 (footbridge) - Offord, England, United Kingdom
- 1887 Jubilee - Nairn, Scotland, United Kingdom
- 1888 Crathorne - Carthorne, England, United Kingdom
- 1890 (footbridge) - Lincoln, England, United Kingdom
- 1890 Ardnacarrig - Bandon, Ireland
- 1892 Polhollick - Ballater vicinity, Aberdeenshire, Scotland, United Kingdom
- 1893 Dorrator (Falkirk, Carronvale) - Falkirk, Scotland, United Kingdom
- 1893 Feugh - Banchory, Scotland, United Kingdom
- 1893 Trentham - Trentham, England, United Kingdom
- 1894 (footbridge) - Grimsby, England, United Kingdom
- 1894 (footbridge) - Grimsby, England, United Kingdom
- 1894 (footbridge) - Grimsby, England, United Kingdom
- 1894 Cromdale - Cromdale, Scotland, United Kingdom
- 1895 Sellack Boat - Sellack Boat, Ross on Wye, England, United Kingdom
- 1898 Doveridge - Doveridge, England, United Kingdom
- 1898 Levey - Tsomo, South Africa
- 1898 Lowther (Keswick) - Keswick, England, United Kingdom
- 1900 Newquay - Newquay, Cornwall, England, United Kingdom
- 1903 Chobhar (Chobar, Chundra) - Kathmandu vicinity, Nepal
- 1905 Cambus O'May (Gordon) - Ballater, Scotland, United Kingdom
- 1924 Invercauld (Ballochbuie, Garbh Allt Shiel) - Braemar vicinity, Scotland, United Kingdom
- (footbridge) - Holme, Peterborough, England, United Kingdom
- (footbridge) - Sayaji Baug, Vadodara, Gujarat, India
- Taff Valley - Abercynon, Wales, United Kingdom
- Victoria (Penny, Aberlour) - Charlestown of Aberlour and Wester Elchies, Scotland, United Kingdom
|