Principia Theologiae Moralis, 1875 r.

Principia Theologiae Moralis, 1875 r. - F. Pio Van der Velden

Principia may refer to:

Philosophiæ Naturalis Principia Mathematica, Isaac Newton's three-volume work about his laws of motion and universal gravitation

Principia (lit. "primary buildings"), the headquarters at the center of Roman forts (castra)

The Principia, and educational institution for Christian Scientists in the St. Louis, Missouri, area

Principia College, a private four-year college in Elsah, Illinois

Principia School, a school from early childhood to high school in the St. Louis, Missouri, area

Principia (alga), a stem-group coralline alga

2653 Principia, an asteroid named after Newton's work

The Principia (book), by Emanuel Swedenborg

Principia Mathematica, a three-volume work on the foundations of mathematics by Bertrand Russell and Alfred North Whitehead

Principia Ethica, a book on ethics by G.E. Moore

Principia Discordia, a Discordian religious text by Greg Hill (Malaclypse the Younger) and Kerry Wendell Thornley (Lord Omar Khayyam Ravenhurst)

Principia, astronaut Tim Peake's mission as part of the Expedition 46 crew of the ISS

"Principia" Title of Season 5 Episode 13 of Marvel's Agents of S.H.I.E.L.D