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![Advanced algebra 1880 [Leather Bound] by William T. Welcker](https://i.gr-assets.com/images/S/compressed.photo.goodreads.com/books/1698789369l/144446003._SY75_.jpg "Advanced algebra 1880 [Leather Bound] by William T. Welcker")
![Advanced Algebra / by Wm. T. Welcker. (1880) [Leather Bound] by William T. Welcker](https://s.gr-assets.com/assets/nophoto/book/50x75-1b903c9eac1b2ba789662c08a0ae41e6.png "Advanced Algebra / by Wm. T. Welcker. (1880) [Leather Bound] by William T. Welcker")
