Laybourn Kenneth : Yorkshire labour movements c.1780-1926 : a guide to historical sources and their uses / edited by G. Firth, K. Laybourn and J. O'Connell.
Laybourn Parry Johanna : The ecology of snow and ice environments / Johanna Laybourn-Parry, Martyn Tranter and Andrew J. Hodson.
Laybourne Kit : The animation book : a complete guide to animated filmmaking--from flip-books to sound cartoons to 3-D animation / Kit Laybourne ; preface by George Griffin ; introduction by John Canemaker.
Layera Ramon 1940 : Usigli en el teatro : testimonios de sus contemporáneos, sucesores y discípulos / Ramón Layera.
Layfeild Edward : Articles to be enquired of, within the arch-deaconrie of Essex, by the church-wardens and sworne-men in every parish, and presentment to bee made thereof, to the Arch-deacon : with peculiar ansvver to every article : given, anno Dom. 1636.
Layfield Andrew : An evaluation of selected estimation methods for the processing of differential absorption lidar data / Andrew Layfield.