Leaflets of Philippine botany.

v.1 (1906-1908)

Leaflets of Philippine botany.

v.2 (1908-1910)

Leaflets of Philippine botany.

v.3 (1910-1911)

Leaflets of Philippine botany.

v.4 (1911-1912)

Leaflets of Philippine botany.

v.5 (1912-1913)

Leaflets of Philippine botany.

v.6 (1913-1914)

Leaflets of Philippine botany.

v.7(1914-1915)

Leaflets of Philippine botany.

v.8(1915-1919)

Leaflets of Philippine botany.

v.9(1920-1937)

Leaflets of Philippine botany.

v.10(1938-1939)

Leaflets of Philippine botany.

v.1-10 Index

Bulletin de la Société botanique de France.

v.53 (1906)

Index filicum,sive, Enumeratio omnium generum specierumque filicum et Hydropteridum ab anno 1753 ad finem anni 1905 descriptorium : adjectis synonymis principalibus, area geographica, etc. /Carl Christensen.

Fascicles 1-12, 1753-1906

Index filicum,sive, Enumeratio omnium generum specierumque filicum et Hydropteridum ab anno 1753 ad finem anni 1905 descriptorium : adjectis synonymis principalibus, area geographica, etc. /Carl Christensen.

Suppl. 1906-12

Index filicum,sive, Enumeratio omnium generum specierumque filicum et Hydropteridum ab anno 1753 ad finem anni 1905 descriptorium : adjectis synonymis principalibus, area geographica, etc. /Carl Christensen.

Suppl. prelim. 1913-17