https://www.gandhi.com.mx/46f3e067-6bc8-3e7d-84ec-c61fcc2ab1ba2955220Advancement in the means and methods of public instructionhttps://kbimages1-a.akamaihd.net/Images/c0ffee00-0000-0000-0000-000000000000/300/300/False/image.jpg0instock00000https://www.gandhi.com.mx/media/catalog/product/2021-11-13T16:05:05+0000David P. (David Perkins) Page,YA Pamphlet Collection (Library of Congress) DLC