Delaware Valley (PA) Data Questions

I would appreciate any answers to these Data Questions

General Data Questions or Missing/Incomplete Data:

1 Missing many games from 1898-1947

Game Data Questions:

1 1913 Delaware Valley (PA) 19 Philadelphia Southern Manual Training HS (PA) 0 ?

2 1917 Delaware Valley (PA) 48 Saint Matthew's Prep 0 ?

Who was Saint Matthew's Prep and were they located?

3 1918 Delaware Valley (PA) 69 Philadelphia West Catholic HS (PA) 6 ?

4 1921 Delaware Valley (PA) 7 Swarthmore Prep School (PA) 13 ?

5 1921 Delaware Valley (PA) 7 New Jersey School for the Deaf 0 ?

6 11-18-1922 Delaware Valley (PA) 0 Wenonah Military Academy (NJ) 39 ?