Digitised by Google Books from the collection at the University of California https://books.google.com/books?id=VWEzAQAAIAAJThis is a commercial publication, not a Colonial Office publication, which (according to Mitchell’s West Indian Bibliography 11th edition)  was published by Conrad Bismark Franklin 1916-1943.  Also popularly known as Franklin’s Year Book.It contains the 1937 Trinidad and Tobago Civil List digital page 333  https://archive.org/details/trinidad-year-book-1937/page/333/mode/2upTitle from c 1927 includes the wording  With Section on Barbados  which includes an Advertising section for Barbados.