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PALADINO, PIETRO. Sopra un nuovo alcaloide contenuto nel caffe.

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PRATT, DAVID S. The microscopy of tea and coffee. Tea and Coffee Trade Journal, 1915, XXIX: 419-421.

PRESCOTT, A. Chemistry of tea and coffee. Popular Science Monthly, XX: 359.

ROBIQUET, VON, and BOUTRON. Ueber den Kaffee. Annalen der Chemie, 1837, XXIII: 93-95.

ROBISON, FLOYD W. What do we know about coffee? Tea and Coffee Trade Journal, 1916, x.x.xI: 556-562.

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TATLOCK, R.R. and THOMSON, R.T. The a.n.a.lysis and composition of coffee, chicory, and coffee and chicory "essences." Journal of the Society of Chemical Industries, 1910, XXIX: 138-140.

TRIGG, CHARLES W. Caffetannic acid a bugaboo. Tea and Coffee Trade Journal, 1917, x.x.xIII: 437-439.

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TUSINI, F. Sul riconoscimento delle varie specie di grani di caffe, mediante la misurazione delle cellule del reticolo alb.u.minoideo e dello spermoderma. Archivio di Farmacologia sperimentale e Science affini, 1903, II: 215-217.

VAUTIER, E. The wastes of coffee. Mitt. Lebensm. Hyg., 1921, 12: 35-37.

VAN DER WOLK, P.C. New researches into some statistics of Coffea.

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VLAANDEREN, C.L. and MULDER, G.J. Sauren des Kaffee's.

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CAFFEIN

CLAUTRIAU, G. Nature et signification des alcaloides vegetaux.

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FRANKEL, E.M. Caffeine and theine. Tea and Coffee Trade Journal, 1916, x.x.xI: 260.

FRENCH, J.M. Caffein, its sources and uses. Merck's Archives, 1907, IX: 208.

JOBST, CARL. Thein identisch mit Caffein. Annalen der Chemie, 1838, XXV: 63-66.

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LENDRICH, K. and NOTTBOHM, E. Verfahren zur Bestimmung des Coffens im Kaffee. Zeitschrift fur Untersuchung der Nahrungs- und Genussmittel, 1909, XVI: 241-265.

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PFAFF, C.H. Ueber die Darstellung des Coffens, uber dessen charakteristische Eigenschaften und dessen Mischung, uber zwei Sauren im Kaffee, so wie uber das sogenannte Kaffee-Grun. Neues Jahrbuch der Chemie und Physik, 1831, I: 487-503; II: 31-45.

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STEHLE, R.L. Caffeine, the alkaloid. Tea and Coffee Trade Journal, 1917, x.x.xII: 46-47.

SULLIVAN, A.L. Determination of caffein in coffee, a comparison of the Hilger and Fricke method with a modification of the Gomberg method. Science, 1909, x.x.x: 255.

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CAFFEIN-FREE COFFEE

RABENHORST, W. and VARGES, J. Koffenfreier Kaffee; enthalt der kaffeinfreie Kaffee fremde chemische Bestandteile, insbesondere Ammoniak, Benzol, Salzsaure, Schwefelsaure? Medizinische Klinik, 1908, IV: 1612.