Beijerinck, M. W. 1898. Concerning a contagium vivum fluidum as cause of the spot disease of tobacco leaves. Phytopathological Classics, No. 7. American Phytopathological Society, St. Paul, MN.

Beijerinck, M. W. 1898. Concerning a contagium vivum fluidum as cause of the spot disease of tobacco leaves. Phytopathological Classics, No. 7. American Phytopathological Society, St. Paul, MN.

Beijerinck, M. W. 1898. Concerning a contagium vivum fluidum as cause of the spot disease of tobacco leaves. Phytopathological Classics, No. 7. American Phytopathological Society, St. Paul, MN.

Beijerinck, M. W. 1898. Concerning a contagium vivum fluidum as cause of the spot disease of tobacco leaves. Phytopathological Classics, No. 7. American Phytopathological Society, St. Paul, MN.

Beijerinck, M. W. 1898. Concerning a contagium vivum fluidum as cause of the spot disease of tobacco leaves. Phytopathological Classics, No. 7. American Phytopathological Society, St. Paul, MN.

Beijerinck, M. W. 1898. Concerning a contagium vivum fluidum as cause of the spot disease of tobacco leaves. Phytopathological Classics, No. 7. American Phytopathological Society, St. Paul, MN.

Beijerinck, M. W. 1898. Concerning a contagium vivum fluidum as cause of the spot disease of tobacco leaves. Phytopathological Classics, No. 7. American Phytopathological Society, St. Paul, MN.

Beijerinck, M. W. 1898. Concerning a contagium vivum fluidum as cause of the spot disease of tobacco leaves. Phytopathological Classics, No. 7. American Phytopathological Society, St. Paul, MN.

Beijerinck, M. W. 1898. Concerning a contagium vivum fluidum as cause of the spot disease of tobacco leaves. Phytopathological Classics, No. 7. American Phytopathological Society, St. Paul, MN.

Beijerinck, M. W. 1898. Concerning a contagium vivum fluidum as cause of the spot disease of tobacco leaves. Phytopathological Classics, No. 7. American Phytopathological Society, St. Paul, MN.

Beijerinck, M. W. 1898. Concerning a contagium vivum fluidum as cause of the spot disease of tobacco leaves. Phytopathological Classics, No. 7. American Phytopathological Society, St. Paul, MN.

Beijerinck, M. W. 1898. Concerning a contagium vivum fluidum as cause of the spot disease of tobacco leaves. Phytopathological Classics, No. 7. American Phytopathological Society, St. Paul, MN.

Beijerinck, M. W. 1898. Concerning a contagium vivum fluidum as cause of the spot disease of tobacco leaves. Phytopathological Classics, No. 7. American Phytopathological Society, St. Paul, MN.