TY  - BOOK
AU  - Denham, Bertie.
TI  - Two thyrdes
SN  - 312827520
AV  - FIC .D46 1983 
PY  - 1986///
CY  - New York
PB  - St. Martin's Press
KW  - MYSTERY FICTION
N2  - In two interwoven mysteries, Derek, Second Viscount Thyrde, discovers evidence of a traitor at a party in 1944 and his son Derek is framed for a robbery thirty-five years later
ER  -