found a 1922 Tiyanak story set at Mt. Makulot, Batangas

We all know the basic tiyanak, the demon baby. Umiiyak na sanggol sa gubat, may dumampot na maawaing tao, then it morphs into a fanged little monster and attacks. Pre-colonial pa yan, the name from patay-anak, dead child. After the Spanish came they made it the souls of babies na namatay bago mabiny……