Post-it note with handwritten message in red marker. The message reads: "Let love rule."

Card with the words of the Prayer for Peace handwritten in blank ink on a purple note card on the front and back. The Prayer for Peace is an eighteenth century Chasidic Jewish prayer adopted by liberal Jewish denominations in North America. The note concludes: "In loving memory of Rose Mallinger."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear People of God, There are no words sufficient... Know that I and this people of our congregation stand with you- we are with you. With the love of the true and living God, Patrick [last name redacted] San Diego, CA."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is dated 11/4/18 and reads: "Dear Tree of Life Synagogue, Please accept our heartfelt condolences in the loss of your beloved congregation members, from our congregation at Point Loma Community Presbyterian Church in San Diego, CA. In LA, I grew up living next to a Rabbi (Marvin Bornstein) and his dear family. He was familiar with loss as well, having left medical school in Vienna at the onset of WW II. I learned from his example of love, tolerance and peace.

Sticker with Shabbat-related imagery. Two pink Shabbat candles, labeled in Hebrew: "Shabbat Shalom," appear in the center. Two women, covering their hands, as they bless the candles, appear on either side. Doves appear in the lower right and left corners. Signed lower left.

Post-it note with handwritten message in blue ink. Written in Hebrew, the note contains an adaptation of the biblical verse in 1 Samuel 15:29. Translated into English, the message reads: "The Glory of Judah does not deceive or change His mind..." Color bleeding due to exposure to the elements at the Wilkins memorial.

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.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is dated Nov. 4, 2018 and reads: "Dear Tree of Life Synagogue Members, Our prayers are with you during this difficult time. May you find strength and comfort in your faith and fellowship. Our community prays for yours, with love, The [redacted] Family and Point Loma Comm. Presbyterian Church."

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 with pencil illustration. Cover features flower on ground under words "Just remember..." Interior features illustration of heart superimposed on planet Earth with human figures dancing on it and the words, "We Are All Jews Together." Additional note reads, "Please know that Beth Chai Congregation members like us are thinking of you. Karen & Howard [last name redacted for privacy]."

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.

Floral tag from floral arrangement, which reads: "With Love from our Family to Yours [heart]." The note is written in black marker on rectangular piece of wrapping paper with brown and red stripes.

Folded card with colored pencil illustration. Cover shows four smiley faces, two heart shaped balloons, surrounded by asterisk-shaped stars on a multicolored background. Inside reads: "Our prayers are with you! I hope you are well!" Back reads "2018" and features two heart shaped ballons in the lower center atop a salmon colored background.

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, prayer, and affirmation of God's goodness. 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 messages of condolence and love. The church's contact information is included on the back of the envelope.

Canvas with "We Are Better Than Hate" painted in orange letters with black border on a white background with black border. Canvas wrapped and stapled to wooden frame.

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 conveys the sender's horror regarding the October 27 attack and their prayers that God grant peace and comfort. The church's contact information is included on the back of the envelope.

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.

Blank Goddard Middle School postcard. Front reads: "Goddard Middle School Good News!" and features the school's symbol.

Miniature Israeli flag attached to a flat stick. Stick features logo of the Eagles' Wings organization. Hand-drawn in red on stick is a heart and handwritten note reading, "We Christians love the Jews." Rosary with a Miraculous Medal wrapped around stick.