About: http://webisa.webdatacommons.org/354463676

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Before the 1920s league there are a couple of dominant barnstorming teams, in the 1930s the NgAL shows up with more teams.
http://www.w3.org/ns/prov#wasQuotedFrom	baseballthinkfactory.org