I think the risk is very low here and you can always reduce it further by providing clear attribution. In the end, if it's a non-commercial endeavour, it's unlikely anyone will seek to take legal action. If they do, you'll receive a notice to take it down.
As the original author, I guess it depends on the contract you signed at the time. My friend who is a photographer licenses images for specific usage but retains the copyright of them. You may find you retain the copyright of your work and have no issues reproducing it. So publishing the words on your blog might be fine, but an image of the text in a magazine may pose a problem.
We're currently involved in a legal "conversation" with a client about content ownership. My view is once they've paid the invoice they own it all (and assume the risk for publishing it). They want us to "own" the risk in perpetuity, which I said we could do but they would need to pay a substantial fee on an ongoing basis. Over to the legal eagles it goes...