Links
[1] https://www.dmlp.org/resources/related-resources-copyright-ownership-content-business
[2] https://www.dmlp.org/legal-guide/copyright-ownership-content-business
[3] https://www.dmlp.org/legal-guide/copyright-ownership
[4] https://www.dmlp.org/legal-guide/employee-versus-independent-contractor
[5] https://www.dmlp.org/legal-guide/informal-group
[6] https://www.dmlp.org/legal-guide/partnership-agreements
[7] https://www.dmlp.org/legal-guide/operating-agreement
[8] https://www.dmlp.org/legal-guide/copyright-licenses-and-transfers
[9] http://www.law.cornell.edu/uscode/html/uscode17/usc_sec_17_00000101----000-.html
[10] http://www.law.cornell.edu/uscode/html/uscode17/usc_sec_17_00000201----000-.html
[11] http://papers.ssrn.com/sol3/papers.cfm?abstract_id=898048
[12] http://www.keepyourcopyrights.org/copyright/rights/work-for-hire