This document summarizes previous scholarly literature on the topic of conversion to Islam in America. It discusses six main types of studies: (1) whether conversion is passive or active, (2) social, familial and psychological factors, (3) pursuit of social justice and equality, (4) gender studies focusing on female converts, (5) social functions perspectives, and (6) different forms of preaching Islam. The document also provides examples from previous research on how these factors have influenced Americans to convert to Islam, such as disliking aspects of Western culture, seeking psychological comfort, and being attracted to Islam's teachings of equality.