Card made by a student from the George Washington University Hillel. The card features a Star of David and reads: "Dear Pittsburgh, I miss you terribly. I miss my home now more then ever. I stand with my city and my Jewish community now and forever. I am sending all my love from DC."

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside affirms God's support and contains prayers for the families and community. The church's contact information is included on the back of the envelope.

Post-it note with handwritten message in green marker. The message reads: "We will never forget. Love conquers Hate [heart]."

Post-it note with handwritten message written in black marker. The message reads: "We are always with you. You are not alone. Be strong." A smiley face and heart appear below.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Keep going" and a pattern with flowers, leaves, arrows, and shooting stars. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dearest brothers and sisters of faith, Words cannot express the sadness and rage we feel in what has happened in your community. May God grant you His peace- as only [underlined] He [underlined] can do and know our love and prayers are with you. In love, Jolene and Dave [last name redacted] Point Loma Pres- San Diego, Ca."

Paper cutout in the shape of Star of David; composed of two triangles painted in gold and blue paint respectively. The star reads: "Hate is not the answer."

Metallic red rose with wire stem attached to a rock base.

Handwritten note on coloring book paper. The front side features the outlines of two horses, colored in with assorted colored pencils. The note reads: "God be with you all. Love Gemma and Giovina [last name redacted]. 4 year olds." The back features the outlines of a leopard perched in a tree with a squirrel.

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Sister BERNICE SIMON z''l -- To his family and community we pray Tanuchamo min hashamayim. May God in Heaven comfort you. The Principals, Teachers, Parents, Alumni, and Students of Magen David Yeshivah. Brooklyn, NY." Part of a series of 11 flags, each dedicated to one of the victims. Additional photograph shows the entire set of 11.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The front cover reads: "Letters." The inside reads: "To Tree of Life family: Who can explain such an event? And how do we move forward? My prayer is that your faith in your God will see you through this grieving time and heal you all with His Grace. Steve [last name redacted]."

Red synthetic flowers with green leaves inserted into a cylindrical piece of synthetic moss. Wrapped in brown textured paper and tied with raffia bow.

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover contains the following quote: "Let your smile change the world. But don't let the world change your smile." Illustrated with a Star of David below. The inside reads: "Dear Rabbi Jeffrey Myers, I am sorry for the antisemitic attack on your place of worship. I hope this letter will you get through these hard times. I also hope the victims' families are doing well. We can get through this. - Sincerely, Goddard Middle School Student, Littleton, Colorado."

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.