Prairie View A&M (TX) Data Questions

I would appreciate any answers to these Data Questions

General Data Questions or Missing/Incomplete Data:

1 Missing all games in 1923 and most likely missing games from 1907-1922

Game Data Questions:

1 10-17-1924 Prairie View A&M (TX) 74 Sour Lake College (TX) 0 Prairie View, TX

Who was South Lake College?

2 1924 Prairie View A&M (TX) 21 Southwestern College 0 ?

Who was Southwestern College and where was it located?

3 1925 Prairie View A&M (TX) 44 Southern Pacific Railroad 0 ?

Who was Southern Pacific College and where was it located?

4 09-09-1972 Prairie View A&M (TX) 16 Cal St.-Hayward 0 Oakland, CA