Numerical log or register of Council Bills arranged in three forms. Early logbooks (1898-1922) include Council Bill, title, and date of introduction. A card file (1906-1954) contains CB number, ordinance number if applicable, title, reference to City Council minutes, and disposition of the bill. Current logbooks (1955-present) include CB numbers and titles, ordinance number if applicable, committee referrals, reading dates, and disposition.