Decal sticker featuring "Stronger Than Hate" symbol with yellow border and the words Pittsburgh Police beneath the City of Pittsburgh crest.

Folded card on orange paper. The front cover feature a large Star of David outlined in black marker. The inside features a cartoon of a young girl wearing a Star of David t-shirt. Creasing due to exposure to the elements at the Wilkins memorial.

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The inside reads: "Please know that you are in our thoughts and prayers. St. Peter's Episcopal Church Londonderry, NH."

Post-it note with handwritten message and illustration in black marker. The note is signed: "[heart] Dorothy" and features two abstract circle and oval shaped illustrations.

Eight-page folded cardstock program with dark blue background and typed text. Cover features photograph of a stained-glass Star of David. Contents include order of program, song lyrics with musical notation, Psalm 23 in Hebrew, English and English transliteration, Alden Solovy prayer, test of Kel Maleh Rachamim prayer in Hebrew and English, text of Mourner's Kaddish in Hebrew and English transliteration, and text of Oseh Shalom in Hebrew, English and English transliteration.

Post-it note with handwritten message in blue marker. The message reads: "Stay strong. Hate cannot win!! Ron [last name redacted]."

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: "May God keep our men and women safe! We are praying 4 u!!!"

Folded card with colored pencil illustration. Front and back of card feature Stars of David enclosed by hearts. Inside reads: "Thumbs up I feel your pain" and features a stylized thumbs up and a 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 affirms God's greatness and his love. The church's contact information is included on the back of the envelope.

Zine page with bubble letters and information about the emotional value of hugs. Zine page with cartoons illustrating the emotional value of hugs, including a superhero, labeled "Hugs to the Rescue" and a young couple.

Hardwritten card in blue pen on white paper, offering condolences following the October 27 attack.

Single page flyer. Backdrop features color photograph of lit tealight candles. Text lists title, date, time, and location of event, biography of speaker, and a list of sponsoring organizations. Footer includes logo for the Yeshiva University Center for the Jewish Future Speakers Bureau.

Post-it note with handwritten message and illustrations in green, blue, red, and black marker. The message reads: "He watching over Israel slumbers not nor sleeps." An illustration of houses on a hilltop with a river, trees, heart, and a moon and stars above, appears around the text.

Floral tag from floral arrangement sent by the Manitoba Islamic Association in Canada. The tag reads: "Words cannot begin to express our sorrow at the senseless attack at a house of worship. Please accept our deepest condolences from the Manitoba Islamic Association." The message is printed on a tag from a local florist.

Drawing in colored pencil on paper. Signed: "Rhea" lower center on the front; illustrated above with four-legged animal, perhaps a dog. Additional colored illustrations appear on the back. Extensive tearing and creasing due to exposure to the elements at the Wilkins memorial; the drawing is now torn into two pieces.

Handmade card on white paper. Three flowers, illustrated in purple ink, appear in the center. The card reads: "I am sorry what happened... [illegible] from Griffin."

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

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

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]."