Obras

Introducción a la Historia
Marc BlochFrases célebres de Marc Bloch
Introducción a la Historia
Marc Bloch: Frases en inglés
The Historian's Craft, pg.43
Alan Macfarlane https://en.wikipedia.org/wiki/Alan_Macfarlane|, Professor Emeritus of King's College, Cambridge https://en.wikipedia.org/wiki/King%27s_College,_Cambridge.
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“There is no true understanding without a certain range of comparison.”
The Historian's Craft, pg.42