Guide Subject Filter
Advertising art
Agricola
Alchemy
Allen G. Debus Collection
Alloys
Aloe
American Optical
Animal heat -- Early works
Astronomers
Bakelite
Berthollet, Claude-Louis, 1748-1822
Bibles
Black, Joseph
Body temperature
Boerhaave, Herman
Bolton, Henry Carrington
Book collecting
Bookplates
Bookstamps
Cadmium pigments
Cadmolith
Capsella bursa-pastoris
Central High School (Philadelphia, Pa.)
Chambellan, Rene
Chemical Rubber Publishing Coompany
Chemical apparatus
Chemical nomenclature
Chemistry -- Early works
Chemistry -- History
Chemistry Leaflet
Chemistry, Analytic
Chemistry
Chemists -- Biography
Color -- History
Commercial art
Comstock, George Stedman
Conte, Nicolas-Jacques
Corporations, history
Cosmetics
Cowslip
Croll, Oswald
Dissertations
Dyes and dyeing
Elder
Electricity
Engineers Club of Central Pennsylvania
Engineers Society of Pennsylvania
Faraday, Michael, 1791-1867
Fern
Flavor
Flavoring essences
Forney, Matthias N.
Gaylussite
Gmelin, Leopold, 1788-1853.
Green, Thomas F.H.
Ground ivy
Guano
Harrow School (Great Britain)
Henry Muraour, Cie
Henry, William
Holme, Furman David, 1834-1892
Holmes, F. M.
Homeopathy
Humblot-Conte, Arnould
Hydrocyanic acid
Hyrdrotherapy
Illustration of books
Indophenols
Iron -- Industry
Iron
Ivy
Juniper
Kauffman-Lattimer Co.
Kneipp cure
Kneipp, Sebastian, 1821-1897
Leslie, Patrick Dugud, 1751-1783
Liebig, Justus, Freiherr von, 1803-1873.
Maets, Carel Lodewijk de
Mallow
Marginalia
Marigold
Matter
Mendeleev, Dmitri
Metal industry
Metals
Microphotography
Miller, Foil A.
Modern Plastics Catalog
Mury of Paris France
Nobel prize winner
Oxlip
Parkwood-Textolite plastic covers
Pauling, Linus
Perfumes -- Labels
Perfumes -- Marketing
Perry, Thomas D.
Physicist
Plant atlas
Postage stamps -- History
Pratt, Herbert T.
Prussian Blue
Railroads
Rare Earth Metals
Roth, Charles F.
Royal Saida (Perfume)
Scheele, Carl Wilhelm, 1742-1786
Scheiner, Julius 1858-1913
Science -- Abbreviations -- Early works
Scientific apparatus
Scientific instruments
Shepherd's purse
Society of Flavor Chemists
Spectroscopy
Spectrum analysis
Spencer Company
Spencer Lens Company
Spencer, Charles A.
Spencer, Herbert
Sweet briar
Symbols
Textbooks
Thenard, Arnould Eugene Georges
Thenard, Louis Jacques, baron
Thenard, Paul, baron
Theology
University of London
Vibert Freres, Paris France
Violet
Wall, Martin, 1747-1824
Water cure
Williamson, Alexander W. (Alexander William), 1824-1904
Workshop recipes
camphor
cloves
hieroglyphics
hollyhock
lanthanides
non-ferrous metals
oak
pigments
plywood
sage
strawberry
walnut tree
wine making
wood strawberry
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