Meanings of published valuable in English

Wherever they have settled, in Amsterdam, Leghorn, Venice, Constantinople, and Calcutta, they have established printing presses and published valuable books.

Since 1780 it has devoted itself specially to meteorology, and has published valuable observations under the title of Ephemerides Societatis Meteorologicae Theodoro-Palatinae.

From the eighth to the eleventh century, they established medical schools in the principal cities of their dominions, and published valuable works on medical science.

The Rector of Lincoln College, in his lately published valuable "Suggestions for Academical Organisation with especial reference to Oxford," tells us (p. 127):-