MODERN MACROFOSSIL ASSEMBLAGES IN LAKE SEDIMENTS IN MINNESOTABIRKS HH.1973; QUATERNARY PLANT ECOLOGY. THE 14TH SYMPOSIUM OF THE BRITISH ECOLOGICAL SOCIETY/1972/CAMBRIDGE; GBR; OXFORD: BLACKWELL SCI. PUBL.; DA. 1973; PP. 173-189; BIBL. 24 REF.; 16 ILL.Conference Paper

STUDIES ON THE BRYOPHYTE FLORA AND VEGETATION OF THE ISLE OF SKYE. I. FLORA = ETUDE DE LA FLORE BRYOPHYTIQUE ET DE LA VEGETATION DE L'ILE DE SKYE. I. LA FLOREBIRKS HJB; BIRKS HH.1974; J. BRYOL.; G.B.; DA. 1974; VOL. 8; NO 1; PP. 19-64Article

STUDIES IN THE VEGETATIONAL HISTORY OF SCOTLAND. V. LATE DEVENSIAN AND EARLY FLANDRIAN POLLEN AND MACROFOSSIL STRATIGRAPHY AT ABERNETHY FOREST, INVERNESS-SHIRE.BIRKS HH; MATHEWES RW.1978; NEW PHYTOLOGIST; G.B.; DA. 1978; VOL. 80; NO 2; PP. 455-484; H.T. 2; BIBL. 2 P. 1/2Article