Arnold Senguerdius was professor of metaphysics and physics at Utrecht. He is, in my estimation, the best among Reformed metaphysicians. Voetius recommends this work as the best introduction to metaphysics.
Credit to OmegaPoint (twitter: @yousefkys) for the translation
On_General_Metaphysics_and_Special_Metaphysics-_Senguerdius_1
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A physical copy can be purchased here: https://www.lulu.com/shop/arnold-senguerdius/on-general-and-special-metaphysics/paperback/product-2mvz6vv.html?page=1&pageSize=4 (I do not make money on this).