The value of tree rings for climate study was not solidly established until the 1960s.
The Jordan association lasted nine years and solidly established the careers of both men.
The sides of good and evil are solidly established.
While the conversion rate with the guilder was solidly established, agreement on the other rates would not be easy.
Now it is a solidly established tradition, to be honored or spoofed.
These opinions are more probable, but are not as yet very solidly established.
At this point the narrator's place as Hogg's companion is solidly established.
By the end of the Devonian, arthropods were solidly established on the land.
But he wanted to wait until the jazz had been solidly established before starting another nonclassical venture.
No. 1 has solidly established his cover in Area Zeta.