The following links contain PDF Rubrics in the areas of writing and speaking:

GE Scoring Guide for Writing

Oral Communication Scoring Rubric

Critical Thinking- Comprehension

Critical Thinking Reading

This website by the Association of American Colleges & Universities has a variety of  free downloadable rubrics (both as Word documents and pdfs). These rubrics could be used as is or modified to address the objectives/criteria of your own assessments. Although the rubrics are free, you must register with the website. Although, you many print and use the rubrics, they are copyrighted and you are not permitted to distribute multiple copies.  So, you are encouraged to use these rubrics as template to modify and fit your own assessments: Collection of Rubrics