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* [http://e-heritage.ru/ras/view/person/history.html?id=46998081 De Ioanne Islen'ev] in situ ''Научное наследие России'' {{ling|Russice}}
*[http://www.ras.ru/win/db/show_per.asp?P=.id-50587.ln-ru.dl-.pr-inf.uk-12 De Ioanne Islen'ev] in situ Academiae Scientiarum {{ling|Russice}}
*[https://istgeodez.com/islenev-ivan-ivanovich/ De Ioanne Islen'ev] in situ historiam geodesiae tractante {{ling|Russice}}
{{Lifetime|1738|1784|Islen'ev, Ioannes Ioannis filius}}
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