Sumatra With The Seven Churches (coffee Cup Bible Studies)Sandra L. Glahn, Crickett Keeth2011★ 4.4 (34)PDF
The South Sumatra Basin - South Sumatra StratigraphyWight, A.IPA1994DOI 10.0000/394f3e421c13ae33d23cf1e12fdaa788
Lebermoose aus SumatraTh. HerzogSmithsonian Institution Biodiversity Heritage Library1942DOI 10.2307/41768447