National Historic Landmark: differenze tra le versioni

*Spencer Park Dentzel Carousel, iscritto il [[27 febbraio]] [[1987]]<ref>[http://tps.cr.nps.gov/nhl/detail.cfm?ResourceId=1989&ResourceType=Structure Spencer Park Dentzel Carousel]</ref> - Logansport

*[[Tippecanoe Place]], iscritta il [[22 dicembre]] [[1977]]<ref name=nhlsum>{{cita web|url= http://tps.cr.nps.gov/nhl/detail.cfm?ResourceId=1306&ResourceType=Building ||titolo= National Historic Landmarks Program su Tippecanoe Place|accesso=13-04-2010}}</ref><ref name="nrhpinv3">{{cita web|url= http://pdfhost.focus.nps.gov/docs/NHLS/Text/73000044.pdf ||titolo= National Register of Historic Places Inventory-Nomination: Clement Studebaker House |accesso=13-04-2010}}</ref><ref>[http://pdfhost.focus.nps.gov/docs/NHLS/Photos/73000044.pdf ''Sei foto degli interni e degli esterni della Tippecanoe Place'']</ref>

|title=Auburn Cord Duesenberg Automobile Museum|accessdate=24-07-2009|work=National Historic Landmark summary listing|publisher=National Park Service}}</ref>.