Better to learn in childhood to live by a few old saws, even though they be of dubious validity.

"But the data that the railroad turns up are of dubious validity."

His second marriage, to Jane Mitchum, was of dubious validity because it occurred 23 days before his divorce from Barton was final.

The description is incomplete and this species should be regarded as being of dubious validity until further work has confirmed or refuted these findings.

Up to five subspecies are described, although these are all quite similar, and some may be of dubious validity.

There are two subspecies, which are highly similar and of dubious validity.

His methods are used by experimentalists to fit data and extrapolate to different pressure regimes, supplanting previous tools which were of dubious validity and accuracy.

Moreover, instead of being incorporated into the main trade and investment agreement, worker rights and environmental commitments were relegated to side agreements of dubious validity.

Some of the team records, while impressive, are of dubious validity because they were set in the 81st game of an 84-game season.

Scant details appear in primary sources, and secondary sources-most dating to years after his death-are of dubious validity.