The MIT license states:
Permission is hereby granted ... to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software ... subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
There's only one condition you are subject to: include the copyright notice. Therefore, the answers to your questions are:
1) Yes, you can copy and publish them as long as you include the copyright notice.
2) No, you are not required to link to where you found it. But it's still a good idea to cite your sources even if the license doesn't require you to do so.