1961. "Gabriel Plattes and his Chemical Theory of the Formation of the Earth's Crust."
                   Ambix, 9, (1961),  pp. 162-165.
 
        1962. "Solution Analyses Prior to Robert Boyle." Chymia, 8, (1962), pp. 41-61.

        1963. "Paracelsian Doctrine in English Medicine." in F. N. L. Poynter (ed. ), Chemistry
                  in the Service of  Medicine. pp. 5-26.
 
        1964 a. "The Aerial Niter in the 16th and early 17th Centuries." in Actes du dixieme
                  congres international  d'histoire des sciences, Ithaca 1962. Hermann, Paris.
                  t. 2, pp. 835-839.
 
        1964 b. "The Paracelsian Aerial Niter." Isis, 55, (1964), pp. 43-61.

        1965 a. The English Paracelsians. Oldbourne, London.

        1965 b. "The sun in the universe of Robert Fludd." in Le soleil a la Renaissance :
                  Science et Mythes. Brussels, 1965. pp. 259-278.
 
        1966. "Renaissance Chemistry and the Work of Robert Fludd." in A. G. Debus et
                  R. P. Multhauf, Alchemy  and Chemistry in the Seventeenth Century : Papers
                  Read at  a Clark Library Seminar, March 12,  1966. *****, 1966. pp. 1-29.
 
        1967 a. "Fire Analysis and the Elements in the Sixteenth and the Seventeenth
                  Centuries." Annals of Science, 23, (1967),  pp. 127-147.
 
        1967 b. "Renaissance Chemistry and the Work of Robert Fludd." Ambix, 14, (1967),
                  pp. 42-59.
 
        1968 a. "Palissy, Plat and English Agricultural Chemistry in the 16th and 17th
                  Centuries." Archives internationales d'histoire des sciences, 21, (1968),
                  pp. 67-88.

        1968 b. "Mathematics and Nature in the Chemical Texts of the Renaissance." Ambix,
                  15, (1968), pp. 1-28.

        1968 c. The Chemical Dream of the Renaissance. Heffer, Cambridge.

        1969. "Edward Jorden and the Fermentation of the Metals : An Iatrochemical Study
                  of Terrestrial Phenomena." in C. J. Schneer (ed. ), Toward a History of Geology.
                  M. I. T. Press, Cambridge (Mass. ). pp. 100-121.
 
        1970. "The Webster-Ward Debate of 1654 : The New Philosophy and the Problem
                  of Educational Reform." in L'univers a la Renaissance : Microcosme et
                  Macrocosme. Brussels, 1970. pp. 31-51.

        1972 (ed. ). Science, Medicine and Society in the Renaissance : Essays to Honor
                  Walter Pagel. 2 vols.  Heinemann, London.

        1973 a. "Alchemy." in P. P. Wiener (ed. ), Dictionary of the History of Ideas. N. Y.,
                  1973. t. 1,  pp. 27-34. 

        1973 b. "Motion in the Chemical Texts of the Renaissance." Isis, 64, (1973), pp. 4-17.

        1973 c. "A Further Note on Palingenesis : The Account of Ebenezer Sibly in the
                  Illustration of Astrology  (1792)." Isis, 64, (1973), pp. 226-230.

        1973 d. "The Medico-chemical World of the Paracelsians." in M. Teich et R. Young
                  (eds. ), Changing  Perspectives in the History of Science. Heinemann, London,
                  1973. pp. 85-99.

        1977. The Chemical Philosophy. 2 vols. New York.
 
        1978. Man and Nature in Renaissance. Cambridge.

        1979. Robert Fludd and his Plilosophicall Key ; being a transcription of the manuscript
                  at Trinity College,  Cambridge, with an introduction by Allen G. Debus. Science
                  History Publication, New York.
 
        1980. "Thomas Sherley's Philosophical Essay (1672) : Helmontian Mechanism as the
                  Basis of a New  Philosophy." Ambix, 27, (1980), pp. 124-135.

        1981. "The Paracelsians in Eighteenth Century France : A Renaissance Tradition in
                  the Age of the  Enlightenment." Ambix, 28, (1981), pp. 37-54.

        1984. "Chemistry and the Quest for a Material Spirit of Life in the Seventeenth
                  Century." in M. Fattori et  M. L. Bianchi (eds. ), Spiritus : IVo Colloquio
                  internazionale del Lessico intellettuale Europeo. Rome.  pp. 245-263.
 
        1985. "The Significance of Chemical History." Ambix, 32, (1985), pp. 1-14.

        1986. "Chemistry and the Universities in the Seventeenth Century." Academiae
                  analecta, (Klasse der Wetenschappen), 48, (1986), pt. 4, pp. 13-33.

        1987. Chemistry, Alchemy and the New Philosophy, 1550-1700. Variorum reprint,
                  London.
 
        1988. "The Chemical Philosophy and the Scientific Revolution." in W. R. Shea (ed. ),
                  Revolutions in  Science. pp. 27-48.

        1991. The French Paracelsians : The Chemical Challenge to Medical and Scientific
                  Tradition in Early  Modern France. Cambridge.

        1996. "Rise and Fall of Chemical Physiology in the Seventeenth Century."
                  in Paracelsus and the Chemical  Factor in the Scientific Revolution.
                  Braga (Portugal), 1996. (= Memorias da Academia  das Ciencias de Lisboa,
                  (Classe de Ciencias), 36, (1996).

        1998 a. "Paracelsianism and the Diffusion of the Chemical Philosophy in Early
                  Modern Europe." in O. P. Grell (ed. ), Paracelsus. Brill, Leiden, 1998. pp. 225-244.

        1998 b (with Michael T. Walton) (eds. ). Reading the Book of Nature : The Other Side
                  of the Scientific Revolution. Sixteenth Century Journal Pub. , Kirksville, Missouri.