text Yearbooks. Serial publications. Periodical serials (publications) periodicals. yearbooks. Periodicals. Yearbook. Serial publications. Periodicals. Yearbooks. Publications en série. Périodiques. Annuaires. ctu Danbury, Conn.] Grolier ©1964-©1981 1964 1982 continuing Annual eng

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7 volumes : illustrations (some color), portraits ; 27 cm "A modern science anthology for the family." Volumes for 1977-1978 issued in 1 v. as 77/78. Science Periodicals Sciences Périodiques Science Q9 .E5 503 ENC 0742-7514 (DLC) 84641139 (OCoLC)9448632 0424-9763 64007603 DLC 790305 20221222152751.0 11156500 eng