Conversation so far:
When did Eliade make Mircea Eliade's literary debut?
His first published work was the 1921 Inamicul viermelui de matase ("The Silkworm's Enemy").
Where did he attend school?
After completing his primary education at the school on Mantuleasa Street, Eliade attended the Spiru Haret National College.

Question: What was his major in college?
Self-contained rewrite: What was Mircea Eliade's major in Spiru Haret National College?