Which preposition to use with indispensible

to Occurrences 3%

Mere political disabilities are often confounded with slavery; so are many relations, and tenures, indispensible to the social state.

for Occurrences 2%

But if the Israelites had not only servants, but a multitude of slaves, a word meaning slave, would have been indispensible for every day convenience.

in Occurrences 1%

In the particular quality of fire, which is indispensible in a good writer, the Scotch authors have rather too much of it, and are more apt to be extravagantly animated, than correctly dull.

Which preposition to use with  indispensible