104 Affordable PhD programmes in United States

The Mechanical Engineering and Materials Science Department at Yale University currently has 30 graduate students in residence, with an average of six students entering every year. 

Yale University offers a unique opportunity for Chemical Engineering graduate study -- an intimately sized program within a leading institution.

The Graduate Program of the Comparative Literature department at Yale University invites students to the study and understanding of literature beyond linguistic or national boundaries. 

African American Studies at Yale University offers a combined Ph.D. in conjunction with several other departments and programs.