They were not. Quarto is a publishing format, the size a book is if the pages are folded twice. The plays were not written to be published in any format, but single plays were often published in this size. Sometimes they were printed in octavo, which was half the size again.
James Quarto has written: 'The stewards of South Beach'
Antonio Bulhoes has written: 'As quarto estacoes'
Gunnar Sjo gren has written: 'Producing the First Quarto 'Hamlet''
F G. Hubbard has written: 'The 'Marcellus' theory of the first quarto 'Hamlet''
Quarto isn't a verb. It is just a noun. A quarto is a type of book, and is often referred to in connection with Shakespeare, because some of his works were published in quarto form. (There is also a board game called Quarto.)
Quarto Group was created in 1976.
First Quarto was created in 1603.
The population of Quarto d'Altino is 7,993.
A.S.D. Quarto was created in 1986.
Many of Shakespeare's plays were published seperately during his lifetime. These are usually called "Quarto" editions. But Quarto does not refer to the fact that there is only one play being printed seperately. It refers to the size of the book. Quarto books are about 12 inches tall and 9 1/2 inches wide.
The area of Quarto d'Altino is 28.16 square kilometers.
Roberto Vignolo has written: 'Personaggi del quarto Vangelo' -- subject(s): Bible, Biography, History and criticism