If not, this UPenn site may have what you need. It has regularly updated CFPs and essay solicitations.
Both of my essay proposals for publication which have been accepted came from there. I hope to also be writing an encyclopedia article, which was okayed but not formally accepted, from that list as well.
In addition, I found a national conference which I have good credentials and papers for which I had never heard of and I applied there.
Part of what makes an instructor marketable is the presenting and publishing. (If you aren’t sure of that, check out my response to an interview discussion. Or look at this conversation on publishing and job offers.)