Scientific organizations established in 1919

association of professional astronomers

international organization that represents chemists in individual countries

international non-governmental organisation

sexology research institute in Germany (1919–33)

nonprofit organization of geophysicists

American non-profit and society

organization

non-profit organization and non-governmental organization

nonprofit organization in Manhattan, United States

organization

private, nonprofit federation of scholarly organizations in the humanities and related social sciences

organization

Learned society