1
2
4
by Sanchez, Fernando B.
Published in Liwayway (2016)
Article
5
by Valenzuela, Reni M.
Published in Philippine Panorama (2014)
Article
6
7
8
10
by Isaac, Norman B.
Published in Manila Bulletin (2012)
Article
11
Published in Manila Bulletin (2012)
Article
12
Book
13
14
15
by White, Ellen G. 1827-1915.
Published 2010
Book
17
by Townend, W.A.
Published in Health & Home (2009)
Article
19
20
by Heaster, Duncan
Published 2009
Book