He focused his studies on pure mathematics, physics and philosophy.
She focused her students' studies on social problems and social work methods.
Researchers are now focusing their studies on better understanding known findings.
While there he focused his studies of European architecture.
The students must also pick a major, which will focus their studies on a more specific field.
He focused his studies there on mathematics, physics and engineering.
The best psychologists focus their initial studies on the subject's childhood.
This experience caused him to focus his medical studies.
He focused his studies on Texas history, then a wide-open field.
There he focused his studies on European and International law.