Caledonia
Subtitle: or, Clans of yore : a tragedy, in five acts
By: by William Thomson
Publisher: Printed by R. Morison for the author
Published: 1818
Place of publication: Perth
Language: eng
Number of pages: 82
Other titles: Clans of yore.
Notes: First edition, Nicoll IV, 614.

According to the author's "Dedication to Sir John MacGregor Murray," this was his first attempt at tragedy.  There is no indication that the play was staged.  Cf. Stratman, English tragedy, 6389.