Bip39 api http://www.mediafire.com/file/uilrjfajg2ami24/pdf-14673-57158.pdf Although it uses BIP32 method you are able to nevertheless import BIP39 seeds into Electrum wallet. Also besides BIp32 there is BIP44 Edition which some wallet use for that era of seeds. BIP39 solves this through the use of human-readable seed phrases made up of organic language https://businessbookmark.com/story6219751/bip39-golang-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-english-word-list-https-t-me-bip39-chat