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jdmichal · 2016-11-21 · Original thread
I like a series, English Grammar for Students of X, where X is another language. Don't be fooled by the title; they are great bi-directional references for dual-language learners. I personally have the German [0] and Spanish [1] versions.

[0] https://www.amazon.com/dp/0934034389

[1] https://www.amazon.com/dp/0934034222