▁ ▁At ▁this ▁period ▁he ▁edited ▁the ▁works ▁of ▁Nicolas ▁Male b ran che ▁( 2 ▁vol s , ▁ 1 8 4 2 ), ▁of ▁René ▁Des cart es ▁( 1 8 4 2 ), ▁Bos su et ▁( 1 8 4 2 ) ▁and ▁of ▁Antoine ▁Ar na uld ▁( 1 8 4 3 ), ▁and ▁in ▁ 1 8 4 4 – 1 8 4 5 ▁appeared ▁the ▁two ▁volumes ▁of ▁his ▁Histoire ▁de ▁l ' é cole ▁d ' Alex and rie . ▁He ▁became ▁a ▁regular ▁contrib utor ▁to ▁the ▁Rev ue ▁des ▁deux ▁mond es , ▁and ▁in ▁ 1 8 4 7 , ▁with ▁Am éd ée ▁Jacques ▁and ▁É mile ▁Sa isset , ▁founded ▁the ▁Libert é ▁de ▁pens er , ▁with ▁the ▁intention ▁of ▁throwing ▁off ▁the ▁y oke ▁of ▁C ousin , ▁but ▁he ▁retired ▁when ▁Jacques ▁allowed ▁the ▁insert ion ▁of ▁an ▁article ▁advoc ating ▁the ▁principles ▁of ▁collect iv ism , ▁with ▁which ▁he ▁was ▁at ▁no ▁time ▁in ▁sympathy . ▁ ▁Political ▁career ▁from ▁ 1 8 4 8 ▁to ▁ 1 8 7 1 ▁▁ ▁In ▁ 1 8 4 8 ▁he ▁represented ▁the ▁C ô tes - du - N ord ▁in ▁the ▁National ▁Assembly , ▁and ▁next ▁year ▁entered ▁the ▁Council ▁of ▁State , ▁but ▁was ▁retired ▁on ▁account ▁of ▁his ▁republic an ▁opinions . ▁His ▁ref us al ▁to ▁take ▁the ▁o ath ▁of ▁alleg iance ▁to ▁the ▁government ▁of ▁Louis ▁Napoleon ▁after ▁the ▁coup ▁d