For all your tax filing needs, check out this from TCCL's information resource, "Tulsa Organizations and Services" or TOS, the name we throw around. Find out who can help, where they are, as well as direct links to all the forms you'll need to file.
http://opac.tulsalibrary.org:82/search/t?SEARCH=Free+Tax+Help
http://guides.tulsalibrary.org/taxes