This link presents the collection of electoronic resources at the Penn Library related to Philadelphia Studies.

Collection of clinical textbooks, journals, and reference materials. Excellent source for background information.

Access Medicine - McGraw-Hill's AccessMedicine.com is an online reference resource that includes Harrison's Online, Current Medical Diagnosis & Treatment, other core medical texts, Lange clinical review library, USMLE review, drug information, patient education, and many more resources.

MD Consult - Web portal containing full-text content of over 50 publishers and other organizations. Access includes full text textbooks, Clinics of North America, full text journals, practice guidelines, drug information, yearbooks and patient education.