What is the meaning of Pp.?

Abbreviation of pages (plural of p.)

Abbreviation of past participle.

Abbreviation of per procurationem.

abbreviation of pages (“pages”) (plural of p.)

abbreviation of panie (“Mmes”)

abbreviation of panny (“Misses”)

Latinate abbreviation of strony (“pages”), from Latin pāginae, the plural of pāgina

abbreviation of panowie (“Misters”)

abbreviation of państwo (“Mr & Mrs, you all”)

abbreviation of pułk piechoty (“infantry regiment”)

abbreviation of punkt procentowy (“percentage point”)

abbreviation of popołudniu (“in the afternoon”, locative)

abbreviation of páginas (“pages”) (plural of p.)

abbreviation of páginas (“pages”) (plural of p.)

Source: wiktionary.org