New Grove dict. of mus. WWW site, Dec. 15, 2004 Wright, (Frederick) Lawrence, b Leicester, 15 Feb 1888, d Blackpool, 16 May 1964. British popular music publisher and songwriter; pseudonyms Horatio Nicholls, Gene Williams, Betsy O'Hagan, etc.
MusicWeb international, viewed 4 march 2014 (One of the most prolific of post-Edwardian British ballad writers was Horatio Nicholls, whose real name was Lawrence Wright (1888-1964) and who also wrote songs under the pseudonyms of Gene Williams (Do I Love You, Irish Peasant Love Song and Wyoming Lullaby) and Betsy O'Hogan, which pseudonym is particularly associated with the very popular ballad Old Father Thames)