Buenos Aires | U.S. state | Georgia (U.S. state) | São Paulo (state) | Secretary of State | Washington (U.S. state) | state | United States Department of State | Moscow State University | United States Secretary of State | Ohio State University | Michigan State University | New York State Assembly | State Senator | New York State Senate | Rio de Janeiro (state) | Louisiana State Legislature | Buenos Aires Province | Iowa State University | Pennsylvania State University | Louisiana State University | Santa Catarina (state) | Florida State University | Paraná (state) | Vienna State Opera | Oregon State University | California State Assembly | Arizona State University | University at Buffalo, The State University of New York | Wayne State University |
John Boker also accumulated large collections of Australian States, State of Buenos Aires, Confederate States of America, Fernando Po, Ionian Islands, Réunion, Romania, Serbia, and the Spanish Philippines.
This group, which also included Adolfo Alsina, Valentín Alsina, José Mármol, and Carlos Tejedor, spearheaded the September 11, 1852, establishment of the State of Buenos Aires, seceding from the Argentine Confederation led by Urquiza.