Which preposition to use with crossbreds

between Occurrences 1%

When his claims were first put forward they were vigorously contested by many who could claim to speak and write with authority upon the various breeds of Spaniels existing in these islands, and it was freely asserted that they were nothing but crossbreds between the ordinary Springer and probably a Clumber in order to account for the red or orange markings and the vine-leaf-shaped ears.

Which preposition to use with  crossbreds