One example could be 'The Wreck of the Hesperus' by Henry Wadsworth Longfellow. While it's not completely 'lost' in the sense that it's still widely known today, there may have been earlier drafts or versions that have been lost over time. Another potential example could be some of the short stories written by lesser - known authors from the 19th century that were published in small - circulation magazines and then the magazines themselves ceased to exist, taking the stories with them into obscurity.
A 'long lost short story' could refer to a short story that has been forgotten or lost over time. It might be a story that was written a long time ago and then somehow disappeared from public view, perhaps due to being unpublished or lost in an attic or old library. It's not really a distinct genre, but more of a description for a short story with this kind of lost or forgotten status.
One possible plotline could be that Kate Burkholder has amnesia and has been lost for a long time. The story could be about her trying to regain her memories and find out who she really is.
Since I don't know the details of Colin Bannon's long lost short story, I can only guess at its possible nature. It could have been a story full of vivid characters and complex relationships. It might have been lost due to changes in the literary market or personal circumstances of the author. For example, if Colin Bannon faced some difficulties in his life and couldn't promote or preserve his work properly, the short story could have been lost for a long time.
I'm not sure where you can find this specific short story. You could try searching in local libraries, especially those with a good collection of short stories.
I'm not very familiar with this specific 'long lost a kate burkholder short story'. It could be about a character named Kate Burkholder who has been lost for a long time. Maybe it involves her past, her relationships, or some mystery she's part of.
The length of the story of The Lost Child isn't fixed. It could be a few hundred pages or even more, depending on how detailed the author's narrative is and the format of the publication.