This is a 334 pp. book pointing you in the right direction to obtaining a lawyer at little or no cost in Pennsylvania. the book includes but is not limited to this authors own list of attorneys who are willing to consider pro bono referral on behalf of his clients, his own private investigators information, 36 pro bono agencies, list of law schools who make take pro bono cases, bios of prison advocate attorneys,  The Police Transparency project information with data base on corrupt police officers in Philadelphia, a 36 pp pre-post conviction list of over 500 issues to raise on ineffective counsel and much, much more. 
Now available in paperback
https://www.writersrepublic.com/bookshop/where-find-pro-bono-lawyer