Complex sentence: In 1918 she was first assistant at Camp Library, Pelham Bay Naval Training Station, in New York, and in 1919 served overseas as the library organizer for the Young Men's Christian Association at Brest, France.
Split into simpler sentences: In 1918 she was first assistant at Camp Library, Pelham Bay Naval Training Station, in New York. In 1919 she served overseas as the library organizer for Young Men's Christian Association at Brest, France.