does that mean you're a student? careful now, apparently that makes you a class traitor..

good luck mate ;-)

The actual text online is available here for anyone interested:

 http://www.marxists.org/archive/marx/works/1845/condition-working-class/index.htm


From google I get to this text, which suggests that there is criticism about the validity of the work. It is claimed that the work didn´t represent the real situation and that Engels gave case studies to prove his political point of view rather than presenting a true picture:

 http://www.google.de/search?q=cache:Nv51n-LgsqYC:www.libertarian.co.uk/lapubs/study/studg002.pdf+chaloner+henderson+engel+conditions+of+the+working+class&hl=de&ie=UTF-8

If you need quotes or help from economists, now or at any time, this site is usually interesting

 http://www.cpm.ehime-u.ac.jp/AkamacHomePage/Akamac_E-text_Links/Akamac_E-text_Links.html

The article also refers to the evidence of period literature. This site is a good source:

 http://www.bibliomania.com/


Good luck. I hope this helps. Perhaps let us know about any other findings you may come across…