https://digitalcommons.wcl.american.edu/cgi/viewcontent.cgi?article=2829&context=facsch_lawrev,
https://www.obamalibrary.gov/sites/default/files/uploads/documents/t068887811-051011-71064.pdf,
https://www.repository.law.indiana.edu/cgi/viewcontent.cgi?article=2283&context=facpub,
https://sk.sagepub.com/cases/download/leader-member-exchange-theory-barack-obama,
https://www.govinfo.gov/link/cpd/executiveorder/13538,
https://digitalcommons.csbsju.edu/cgi/viewcontent.cgi?article=1024&context=psychology_pubs,
https://www.jstor.org/stable/41674749,
https://commons.lib.jmu.edu/cgi/viewcontent.cgi?article=1079&context=vaej,
https://gadebate.un.org/sites/default/files/gastatements/68/us_en_25.pdf,
https://bobo.scholars.harvard.edu/file_url/145,
https://alejandrobarros.com/wp-content/uploads/old/Fact_Sheet_Innovation_and_Technology.pdf,
https://repository.law.miami.edu/cgi/viewcontent.cgi?article,
https://www.globalequality.org/storage/documents/pdf/president barack obama-als-july2014.pdf,
https://pscresearch.faculty.ucdavis.edu/wp-content/uploads/sites/112/2014/09/Sherman-Barack-Obama-2012.pdf,
https://digitalcommons.bryant.edu/cgi/viewcontent.cgi?article,
https://scholarship.law.ufl.edu/cgi/viewcontent.cgi?article,
https://baylor-ir.tdl.org/bitstreams/4ed69c83-f61d-4a31-b206-c03df18614ab/download,
https://city.milwaukee.gov/ImageLibrary/Groups/electionAuthors/Maps/Barack-Obama.pdf,
https://www.obamalibrary.gov/sites/default/files/uploads/documents/t068887811-051522-71888.pdf,
https://www.smithlaw.com/media/publication/52_client alert- obama signs dodd-frank act_final.pdf,
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/DED2BECB3A67C1F1C69E430C538524C7/S1742058X09090110a.pdf/ecosystem_perspective_and_barack_obamas_campaign_for_the_presidency.pdf,
https://www.obamalibrary.gov/sites/default/files/uploads/documents/t068887811-051522-71888.pdf,
https://www.smithlaw.com/media/publication/52_client alert- obama signs dodd-frank act_final.pdf,
https://scholarworks.seattleu.edu/cgi/viewcontent.cgi?article=1029&context=magis,
https://users.metu.edu.tr/utuba/Obama.pdf,
https://pscresearch.faculty.ucdavis.edu/wp-content/uploads/sites/112/2014/09/Sherman-Barack-Obama-2012.pdf,
https://www.kff.org/wp-content/uploads/sites/3/2012/01/hospitals_letter.pdf,
https://www.journals.uchicago.edu/doi/pdf/10.1086/JAAHv94n1p1,
https://www.hrw.org/sites/default/files/related_material/4-11-13_US_LetterToPresidentObamaOnTargetedKillings.pdf,
https://www.imf.org/external/am/2016/speeches/pr28e.pdf,
https://www.americanrhetoric.com/speeches/PDFFiles/Barack Obama - Inaugural Address.pdf,
https://www.jstor.org/stable/23784068,
https://pdfs.semanticscholar.org/37b2/6233a67f2add7c81baaec7d900f89cd85d2e.pdf,
https://igonzad.webs.ull.es/usa/Obama.pdf,
https://www.dhs.gov/sites/default/files/publications/14_1120_memo_prosecutorial_discretion(1).pdf,
https://policy360.org/wp-content/uploads/sites/29/2023/04/Hand-Off-The-Foreign-Policy-George-W.-Bush-Passed-to-Barack-Obama.pdf,
https://www.researchgate.net/profile/Brandon-Prins/publication/260677061_Comparing_World_Views_and_Foreign_Policy_Decisions_of_George_W_Bush_and_Barack_Obama/links/0f317531f9fe2c3b84000000/Comparing-World-Views-and-Foreign-Policy-Decisions-of-George-W-Bush-and-Barack-Obama.pdf,