[1]Архівавана 11 кастрычніка 2017. Holm, Hans J. (to appear march, 2008): The Distribution of Data in Word Lists and its Impact on the Subgrouping of Languages.
[2]Архівавана 5 верасня 2019. A possible Homeland of the Indo-European Languages And their Migrations in the Light of the Separation Level Recovery (SLRD) Method — Hans J. Holm
[1]Архівавана 11 кастрычніка 2017. Holm, Hans J. (to appear march, 2008): The Distribution of Data in Word Lists and its Impact on the Subgrouping of Languages.
[2]Архівавана 5 верасня 2019. A possible Homeland of the Indo-European Languages And their Migrations in the Light of the Separation Level Recovery (SLRD) Method — Hans J. Holm