TALLAHASSEE — Major publishing companies and authors have argued that a federal judge should deny Florida’s request to dismiss a lawsuit over the removal of school library books, saying a controversial state law violates First Amendment rights. Attorneys for the publishing companies, authors and other plaintiffs filed a document Friday that, in part, disputed a state position that selection of school library books is “government speech” and, as a result, is not subject to the First Amendment. “First, school libraries have not historically communicated messages from the state.