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.

Folded card from a student at Fountain Valley School in Colorado Springs, Co. Cover features a large peace sign. Inside reads: "Dear member of Tree of Life, I am a Chinese student who study in FVS. I heard this bad event this morning. I feel sorry for your lost. We will support you any time. Best wishes, Iihan [last name redacted]." Illustrated with Star of David.

Black and white photograph showing large group of people in a banquet hall. Label taped onto photograph reads, "1955."

Pittsburgh Penguins hockey jersey with team logo on front and "Crosby 87" on back. Detail shows manufacturer's patch featuring the logo of Tree of Life-Or L'Simcha Congregation and the logo of the Pittsburgh Penguins above the words "Stronger Than Hate."

Post-it note with handwritten message in blue marker. The message reads: "You are loved. You are stronger than hate. Love and more love."

Folded card on brown paper. Two circular stamped imprints visible in the center of both the right and left flaps. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

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 contains messages of prayer, unity, and love. The church's contact information is included on the back of the envelope.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "Dear Blessed Children of God, I am praying for you in these extremely difficult days. Know that you are being held in prayer. You are loved. Praying for Peace, Comfort, and a Hedge of Protection around you and your community. With love, A follower of Christ."

Card made by a student from the George Washington University Hillel. Message in the upper left corner has been partially erased by water damage at the memorial site. The remaining portion reads: "And love to you community" followed by a heart symbol. The message in the bottom right reads: "Our hearts are with you- sending love your way" followed by heart symbol below.

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."

Oral history of Moshe Baran, recorded as part of the Meanings of October 27th Oral History Project.

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.

Notecard with the following message written in black ink: "LOVE ALWAYS."

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.

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: "We are with you, our brothers and sisters. Stand strong within your faith- unyielding, unshakeable. Do not despair." The church's contact information is included on the back of the envelope.

Post-it note with handwritten message in black marker. The message reads: "Share the Love! Free Bouquets!"

Floral tag from floral arrangement, which reads: "May the lord Be with you!" The message is written in black ink on a printed tag with white and purple flecked flowers.

Post-it note with handwritten message in black and red marker. The message reads: "God bless all people of Pittsburgh. Our hearts are with you. [Heart]."