Laminated text of the Catholic "Beatitudes" blessing printed on paper with light blue checkered pattern in background. A yellow band with the words "The Beatitudes" appears in the upper center; blue and purple clouds covering the sun appear to the left. A handmade paper medallion with five decoratively rolled spirals and a silver string has been taped to the front.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a pineapple with floral and geometric motifs. The back contains a handwritten note, as well as a sticker with the stock signature: "From your friends at West Allegheny Middle School."

Post-it note with handwritten message in green marker. The message reads: "Shalom" (Peace). Creasing and tearing 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 Members of the Tree of Life Synagogue, An attack on your community of faith is an attack on all of us. We stand with you from afar, and renounce the hatred that brought that madman to your door. Our pastor, Karla Shaw, will deliver this letter (and many others) as a sign of our solidarity with your community. This is a tangible sign of our prayers for your community- for peace, for protection, for security, for understanding.

Card painted with blue paint on the front. The words "Tree of Life" and several Stars of David, hearts, and five-pointed star were drawn with marker. A smiley face sticker was placed on the bottom left edge. An orange sticky note in the shape of a twelve-pointed star with the words "Strength and Unity for ALL" was placed in the center. The back of the card contains the words "Thoughts and Prayers for ALL" on the left, accompanied by illustrations of Stars of David, hearts, and five-pointed stars.

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The front cover features a dog. The inside reads: "God loves you and we do, too! Love, NATALIE" and features illustrated stick figures representing the sender, labeled "Me" and "My friend Benji."

Post-it note with handwritten message in blue marker. The message reads: "R.I.P. Dr. Rabinowitz."

Handmade paper cut out illustrated with pencil and marker in the shape of a clown. The reverse is signed: "Love, Liam."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Synagogue, Being God's chosen often includes incredible sacrifice. Too often you are chosen to be the sacrifice for us all. Thank you and bless you, [name illegible]."

Post-it note with handwritten message in blue ink. The message reads: "Standing with you." Tape marks and color bleeding due to exposure to the elements at the Wilkins memorial.

Post-it note with handwritten message in green ink. The message reads: "We cannot change the past, but we can inspire the future. Let what's happened here be a warning to us all that there is no room for hate anymore."

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

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "To our esteemed sisters and brothers I offer sorrow in your losses, comfort to enter into your memories and many blessings for your bright future as a synagogue to overcome. With all my love- Russell [last name redacted]."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration a pineapple with floral and geometric motifs. The back contains a handwritten note and a "Stronger Together" sticker, as well as the stock signature: "From your friends at West Allegheny Middle School."

Printed tag dedicated to Irving Younger. The tag reads: "Please accept this Random Act of Kindness In honor of Irving Younger. Taken too soon, October 27th, 2018. 1 of our 11 Angels from the Pittsburgh Tree of Life synagogue shooting" followed by a series of hashtags and contact information on Facebook. Tape on the reverse.

Post-it note with illustrations in red marker. A cascading stream of hearts, outlined in red, begins in the upper left corner and extends to the lower right corner.

Handmade card in colored marker on paper. The front of the card features the word: "LOVE" in bubble letters; the letter "o" has been replaced with a large Star of David. Several smaller hearts and a multi-colored asterisk appear throughout. Signed, upper left: "Rylee Love." The back is signed, twice: "Love Rylee" in orange and purple marker, respectively. The card has been laminated.

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: "Don't bully people and stand up for people when they are getting bullied."