It is true that we are still without a definitive text of the Gilbert librettos.
I have a book that contains all the Gilbert librettos in my most bulging pocket.
His abilities as a writer are very clearly shown in the librettos to his works.
The librettos of other days were, to say the least, ridiculous.
And yet she was always trying to "purify" the stage and librettos!
The Russian librettos do no more, nor the operas based on mythology.
That is only one hint of the unworked treasures of research that await the student in these librettos.
That also, together with the extreme navet of their librettos, is the great handicap of the Weber operas.
Certainly they were not to be found in librettos of the "Semiramide" or "Sonnambula" variety.
Good writers of librettos are even more rare than good composers.