A recently republished book contains a history of this family.Details follow:-
"Lincolnshire Country Houses & their Families" by Terence R. Leach. The ISBN 978 0903582 36 0.This reprint is by the Society for Lincolnshire History and Archaeology 2009. In the Uk, the price is £11-95.
Of the 83 pages, 16 are devoted to the Langtons and include 2 engravings of the *Elizabethan house and a photo of the 1866 Hall.
There are one or two error, but generally an interesting account of a very old Lincolnshire family.