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 support and divine love. The church's contact information is included on the back of the envelope.

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

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

Floral tag from floral arrangement sent by L.F., which reads: "To my Hebrew family- I'm so sorry for your loss. There are no words. But the strength that you have shown is what we need. Stay strong. We are all here with you. L.F. [heart]." The message is written in black ink on a printed tag; a Star of David appears in the upper left corner.

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, prayer, love, and unity. 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. The inside reads: "Dear Tree of Life, I'm sorry for your loss. Hope everything goes well. From Bella [last name redacted]."

Floral tag addressed to David Rosenthal. The tag features a white rose on the left and the stock message: "With Deepest Sympathy" in a band on the upper center.

Butterfly-shaped cutout with colored with blue and green pencil. The words: "#Stronger Than Hate" appear handwritten in alternating blue and green letters above the butterfly's antennae.

Handwritten tag which reads: "Shalom. Our prayers are with you, our neighbors. Love, T, M, and F." Staining and tearing due to exposure to the elements at the Wilkins memorial.

White posterboard with dozens of hands in red and pink paint. Initialed in multiple colors by creators. The words "Hope and Love," peace signs, and Stars of David are scattered throughout; the words "Hate won't win" appear in the lower center, inside two hands making the shape of a heart.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a turtle with floral and geometric motifs on its back, legs, and neck. The back contains a handwritten note and a sticker with blue text reading: "Stronger Together." The stock signature: "From your friends at West Allegheny Middle School" appears in the lower center.

Post-it note with handwritten message in blue marker. The message reads: "May you flourish in the future."

Handwritten letter from a student at Hebrew Academy, a private Jewish day school in Montreal, Quebec. The letter reads: "Dear Rabbi, I am so sorry for your loss. I hope it does not happen again. Refua Shleima (speedy recovery). I hope that everyone is comfortable and safe. Ahava Montreal ha [Hebrew Academy] 4A.

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 the stock signature: "From your friends at West Allegheny Middle School."

Handwritten note written in blue ink on lined paper from Jessica and Aron [last names redacted] from Ridgewood, NJ. Staining due to exposure to the elements at the Wilkins memorial. The back of the note features advertising for Market Central, one of the largest dining halls on the University of Pittsburgh's campus.

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover features the following quote attributed to the great ancient Roman orator, Cicero: "While there's life, there's hope. -Marcus Tullius Cicero." An illustration of a large Star of David appears below. The quote and illustration are outlined with a repeating pattern of blue and white lines. The inside reads: "Dear L'Simcha Congregation, My name is Olivia [last named redacted]. I live in Littleton, Colorado. I am Jewish.

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