Simplify the following text for a Grade 13 native English-speaking person.
Original: Although a few other encyclopaedias had been fighting with the Britannica , such as Rees 's Cyclopaedia and Coleridge 's Encyclopaedia Metropolitana , these encyclopedias either went bankrupt or were not finished because the people writing them argued .
Simplified: Several other encyclopaedias competed throughout this period , among them editions of Rees 's Cyclopaedia and Coleridge 's Encyclopaedia Metropolitana .