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 love and support. 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 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 one. We will get through this together. You are not alone. [Heart]." The church's contact information is included on the back of the envelope.

Handmade card on white paper. Eleven trees, illustrated in blue ink, appear in the center. The number 11 appears below, followed by a heart. The card reads: "For the 11 people that died. Love, Coleman [last redacted]."

Postcard with a monumental building with a dome, perhaps a mosque, from Azerbaijan on the cover. Tearing due to exposure to the elements at the Wilkins memorial. The message on the back contains words of prayer and the senders' commitment to welcoming all in Squirrel Hill.

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 message of love, prayer, and solidarity. 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 is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside contains a prayer and wishes for love and faith in God. The church's contact information is included on the back of the envelope.

Color photograph showing 13 people standing on either side of two Torah scrolls. Many of the men are wearing prayer shawls.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "May GOD grant you ALL the grace and mercy our human family can minister and let your faith be a reflection of GOD's LOVE for all of us."

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

Oral history of Anna Coufal, recorded as part of the Meanings of October 27th Oral History Project.

Card from the Friendship Circle of Illinois. The front cover reads: "To the Jewish community of Pittsburgh sheyichyu (may they live)." The inside reads: "I heard what happened and give my fullest sympathy. I am heartbroken by what happened, and really hope moshiach (the Messiah) will come and you'll be united with your dear ones." Spelling errors corrected for clarity.

Pamphlet for the Christian organization, "Guardians of Freedom."

Folded card with colored pencil illustration. Cover features illustration of heart. Interior reads "We were shocked and deeply saddened by the tragic events in your community. Please accept this token of friendship and caring from a greater community that is in solidarity with you. Beth Chai members Megan and Sylvan [last name redacted for privacy]." Back cover features illustration of rainbow.

Post-it note with handwritten message in green marker. The message reads: "To never be silent at the arms of our oppressors."

Post-it note with handwritten message in blue marker. The message reads: "As a result of this hate, I'm committing to discovering my Jewish identity and am doing micro-kindness."

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "In light of recent events, I want to send over my condolences and love. I want you to know that this is not who we Christians are. We are not hate- only love. Your community is always and forever in prayers. [Smiley face]."

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: "Pray for world peace. Praying for all. Love Wins!" The church's contact information is included on the back of the envelope.

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.

Black and white photograph showing six men sitting on construction equipment in front of building. Label taped onto photograph reads, "Spring 1970: Jules Karpas, Sam Feldman, Bill Weiss, Elkin Avner (designed new sanctuary), Rabbi Pinchus Miller, Pres. Nate Landy."