Philosophical Investigations was created in 1953.

Philosophical Investigations - journal - was created in 1978.

STEPHEN MULHALL has written:

'WITTGENSTEIN'S PRIVATE LANGUAGE: GRAMMAR, NONSENSE AND IMAGINATION IN PHILOSOPHICAL INVESTIGATIONS,..'

This statement is attributed to Austrian philosopher Ludwig Wittgenstein. He used this phrase in his book "Philosophical Investigations" to emphasize the limitations of language in capturing and conveying certain philosophical concepts.

Albert E. Sanders has written:

'Paleobiology of the Williamsburg Formation (Black Mingo Group;Paleocene) of South Carolina, U.S.A. (Transactions of the American Philosophical Society) ... of the American Philosophical Society)'

'Natural history investigations in South Carolina' -- subject(s): History, Natural history