This archive constitutes a collection of multimedia materials, text documents and related other files from 25 language varieties spoken in Eastern Indonesia and East Timor: 11 varieties from the Alor archipelago, 9 varieties from the Flores and Solor archipelago, 1 from Maluku, and 4 from Timor. The research was supported by the VICI research project ‘Reconstructing the past through languages of the present: the Lesser Sunda Islands’, awarded to Marian Klamer and funded by the Netherlands Organisation for Scientific Research (NWO), project number 277-70-012. This project was based at Leiden University from 2014-2019. More information about the project can be found at http://vici.marianklamer.org. Researchers who collected the data are (in alphabetical order): Hanna Fricke, Marian Klamer, Francesca Moro, George Saad, Eline Visser. Scholars citing data from this collection are expected to provide appropriate acknowledgement to the researchers who collected it. Use or citation of a file or bundle of files created by an individual researcher should include (i) the name of the researcher, (ii) the year of creating the file (which is part of the file name), (iii) the name of the bundle to which the file belongs, and (iii) its persistent identifier. For example: Klamer, Marian. 2015. Kedang collection: Ceremonies. https://hdl.handle.net/1839/5c4002cb-0131-4c3a-a368-2a41c9b668cd If the collection as a whole is referred to, please cite it as follows: Klamer, Marian; Fricke, Hanna; Moro, Francesca; Saad, George; Visser, Eline. Language Collection “Eastern Indonesia and Timor Leste”, https://hdl.handle.net/1839/06afa50e-aee9-4adb-a6a7-d7496a8a47fc Note that the languages in the present collection overlap partly with languages of which materials exist in LAISEANG (Language Archive of Insular SE Asia & New Guinea); which is also one of the TLA Language Collection sets.