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.

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of seven children holding hands around a table with a large goblet and loaf of braided bread, and seven doves. The illustration is labeled: "We are people of God's peace." The inside reads: "Tree of Life members, There is a light at the end of the tunnel, you just have to see the light. Margee [last name redacted]."

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Brother DAVID ROSENTHAL 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.

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 reads: The church's contact information is included on the back of the envelope.

Folded card with marker illustration. Cover features illustration of Star of David inside heart under name "Aden." Interior features illustration of five balloons and words, "We want you to know that you are not alone. Sending warm thoughts and hugs to your community. Beth Chai."

Notecard with a large heart illustrated in red crayon. Signed: Shani [last name redacted], Philadelphia."

Preprinted card with swirling design on front. Interior includes handwritten message expressing solidarity with Tree of Life Congregation.

Trifold pamphlet with typed text over orange background. Cover includes photograph of Roberta Schomberg and program details. Interior includes photographs of Fred Rogers and the Rodef Shalom Congregation sanctuary and a description of the Pursuer of Peace in Action program series, as well as an advertisement for a toy and book drive hosted by JFCS Pittsburgh. Back page features Rodef Shalom Congregation logo.

Post-it note with handwritten message in blue marker. The message reads: "We are with you- Love is stronger than Hate."

Post-it note with handwritten message in black ink. The message reads: "Etz Chaim Hi. It is a tree of life for those who hold fast to it."

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 confirms God's love and urges the reader not to let hate triumph over faith. The church's contact information is included on the back of the envelope.

Card made by a student from the George Washington University Hillel. The card features a Star of David and reads: "To the Pittsburgh community, We are a city built on steel and kindness and held up by a thriving Jewish community. I miss my home, my city so much right now, but I know that you are strong. I send all my love."

Post-it note with handwritten message in blue marker. The message reads: "Thank you for being strong."

Preprinted card with handwritten message in black ink. Front of card reads, "You are being loved, prayed over, and held close in caring hearts."

Wooden pedestal painted white with white Star of David and red heart affixed to front. Handwritten in pencil and black marker on the Star of David is the name "David Rosenthal." Collaged onto the heart are white pieces of paper and a translation of Psalm 34:18: "The Lord is close to the broken hearted and saves those who are crushed in spirit." Affixed to one side of the pedestal is a black sticker with the word "LOVE" in white letters. Accompanying image shows all 11 Stars of David in the series.

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark. Due to water exposure at the memorial site, the message in this card has been partially erased. The remaining text reads: "[?] Us at Holy Angels Church are praying may God be with you. Sin[c]erely, T.O. Holy Angels CCD."

Card with photograph of flower. Handwritten text on front of envelope reads, "To: Tree of Life in sympathy and solidarity" and back of enveloped reads, "Won't you be my neighbor? Mr. Rogers." Handwritten interior of card expresses love for the Pittsburgh Jewish community and evokes Mr. Roger's: "We are called upon to remember the spirit of Mr. Rogers and love each and every one of our neighbors who make our community so wonderful."