The Office of Volunteer Services provides a formal letter verifying the total number of community service hours completed with Queens Public Library. To prove your voluntary work, you can: obtain photographed proof or receive an all-mighty reference letter.Minors (14 - 17 years old) are welcome to apply year-round for volunteer positions with Queens Public Library. Local governments wanting to support essential volunteers. 5. Healthcare providers needing compliant volunteer letters. We offer volunteer opportunities in both clinical and non-clinical settings. Emphasize the positive impact the individual's community service had on the target community, beneficiaries, or organization. Letter of Attestation. How to Write a Volunteer Letter? Download free sample community service letter templates for your volunteer hours.