Interdisciplinary studies are examined in this paper with respect to common teaching modes, advantages and disadvantages, courses integrating humanities instruction into occupational programs, and specific programs operating at six urban multi-campus community college districts. After an introduction to the rationale behind interdisciplinary instruction, the four most commonly used teaching modes are described: (1) team teaching by several instructors from different disciplines; (2) instruction by one teacher covering a panorama of several disciplines; (3) instruction by two teachers, each from a different discipline; and (4) thematic instruction. Examples are provided of each approach. After citing problems commonly encountered in team teaching and possible ways for overcoming them, the paper lists advantages of the interdisciplinary approach. Next, examples are provided of courses that integrate humanities instruction with occupational programs. Finally, the paper offers brief descriptions of interdisciplinary activities at colleges in six community college districts: Miami-Dade Community College, the City Colleges of Chicago, the Los Angeles Community College District, the Dallas County Community College District, the St. Louis Community College District, and the Maricopa County Community College District. (KL)