Discographies
- Todotango - only some orchestras / singers
- http://www.todotango.com/spanish/las_obras/discografias.aspx
- ttp://www.todotango.com/english/biblioteca/discografias/discografias.html
- tangodj.org - other orchestras and singers, but only recording year displayed, i.e. no exact date and no matrice numbers
- Tango.info - wide range of performers, data incomplete since only CD track based
- http://www.geocities.jp/arturomkwd/ - lot of data, big html pages
- http://www.esnips.com/web/discografias/ - ?
- http://taniguchi.com.ar/index.html?cont=show78rpm
- Amsterdam Tango Club