Complex sentence: He first began to exhibit his work at Toronto's Picture Loan Society in 1938, and in the following year his work was included by the Canadian Society of Graphic Art (CSGA) in their selection for the World's Fair in New York.
Split into simpler sentences: He first began to exhibit his work at Toronto's Picture Loan Society in 1938. In the following year, his work was included by the Canadian Society of Graphic Art (CSGA) in their selection for the World's Fair in New York.