Where can i find used religous books/ bibles/ liturgical books at discounted / rock bottom prices in the phils

used religous books like the ignatious bible - rsv catholic edition and other old bibles, liturgical books like the missale romanum old sacramentary or lectionary/ biblia sacra vulgata - sixto/ clementine edition, litrugy of the hours 4-volume edition, books on patristics, greek and hebrew language - are there any catholic schools/ catholic libraries willing to sell these books to a working cl struggling catholic bibliophile, pax christi!