- Computer program for nonlinear regression using least squares, (United States. Bureau of Mines. Information circular) by Robert T Langland, 1974
- Piers Plowman and the Scheme of Salvation: An Interpretation of Dowel, Dobet, and Dobest. by Robert Worth, Jr. Langland] Frank, 1957
- Textbook of Dental Radiology by Olaf E. Langland, Francis H. Sippy, et all 1984-06
- Diagnostic Imaging of the Jaws by Olaf E. Langland, Christoffel J. Nortje, et all 1995-03
- Panoramic Radiology by Olaf E. Langland, Robert P. Langlais, et all 1989-04
- The "Piers Plowman" Electronic Archive, Vol. 1: Corpus Christi College, Oxford, MS 201 (F) (SEENET: Society for Early English and Norse Electronic Texts) (v. 1) by William Langland, 2000-03-06
- Langland Bay Golf Club,Ltd by Robert H.K Browning, 1955
- Libertyville (for Adlai Stevenson, 1900-1965) by Joseph Langland, 1965
- "Piers Plowman" and the Scheme of Salvation: An Interpretation of Dowel, Dobet and Dobest (Yale studies in English) by Robert Worth Frank, 1969-12
- Style and symbolism in Piers Plowman;: A modern critical anthology
- Adlai Stevenson: 1900-1965, by Joseph Langland, 1966
- Poetry Does Theology: Chaucer, Grosseteste, and the Pearl-Poet by James Francis Rhodes, 2002-02
- Authors of the Middle Ages: English Writers of the Late Middle Ages : Nos 1-4 (Arthurian Archives,) by M. C. Seymour, 1994-07-01
- Gold of Glendarach by Rita Langland, 1990-04-30
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