1852. R. Titian Peale's Vögel der "United States Exploring
Expedition." Archiv f. Naturg., 18:93-138.
1854. Zur Ornithologie Oceanien's. Journ. f. Ornith., 2:160-170.
1865. Monographischer Versuch über die Gattung _Zosterops_. Journ.
f. Ornith., 13:1-30.
1868. On a collection of birds from some less-known localities in
the western Pacific. Proc. Zool. Soc. London for 1867:828-832, pl.
38.
1892. Vier selten Rallen. Abh. Nat. Ver. Bremen, 12:389-402.
HARTLAUB, G., and FINSCH, O.
1868a. On a collection of birds from the Pelew Islands. Proc. Zool.
Soc. London: 4-9, pls. 2-3.
1868b. Additional notes on the ornithology of the Pelew Islands.
Proc. Zool. Soc. London: 116-118.
1872. On a fourth collection of birds from the Pelew and Mackenzie
islands. Proc. Zool. Soc. London: 87-114.