https://www.messianicjewish.net/
Please put the name Henry or Einspruch in the search engine to find books by Henry Einspruch. I counted five of his books that are sold on the website above.
Below are books by Henry Einspruch at amazon.com
Henry Einspruch
Amazon
https://www.amazon.com/Books-henry-einspruch/s?rh=n:283155,p_27:henry+einspruch
Good News According to Matthew
Amazon
https://www.amazon.com/Good-News-According-Matthew/dp/1880226022/
Hymns of Faith
Amazon
https://www.amazon.com/Hymns-Faith-Henry-Einspruch/dp/B000J3KN14
Jewish Confessors of the Faith
Amazon
https://www.amazon.com/Jewish-confessors-faith-Henry-Einspruch/dp/B00087WAEE/
New Testament in Yiddish
Amazon
https://www.amazon.com/Testament-Yiddish-Henry-Translator-Einspruch/dp/B000S5RQG8
Ox, the Ass, & the Oyster
Amazon
https://www.amazon.com/The-Ox-The-Ass-The-Oyster/dp/1880226111
Raisins and Almonds
Amazon
https://www.amazon.com/Raisins-Almonds-Henry-Einspruch/dp/1880226103/
The American Translation of the New Testament Into the Yiddish Language
Amazon
https://www.amazon.com/American-Translation-Testament-Yiddish-Language/dp/B000FMKEG8
The man with the book
Amazon
https://www.amazon.com/man-book-Henry-Einspruch/dp/B0006WEIFK
The Most Noted Jewish Book in the World
Amazon
https://www.amazon.com/Most-Noted-Jewish-Book-World/dp/B0BQM4B2X5/
When Jews Face Christ
Amazon
https://www.amazon.com/When-Jews-Christ-Henry-Einspruch/dp/1258280922
Would I? Would You?
Amazon
https://www.amazon.com/Would-I-You-Henry-Einspruch/dp/B000BU6Y4K/