Hand painted sign with an illustration of a landscape a sun, large blue flower, green grass, and several hearts. The message, "I love you" has been painted next to the blue flower.

Collage with a hand drawn tree in the center. Leaves comprised of multicolored tissue paper; two ready-made decorative leaves in orange, yellow, and red fabric. Signed in red ink lower center. Yinyang in blank ink appears on the lower right; dove outlined with fuchsia ink appears on the lower left.

Letter from administrators and affiliated staff at The Center for Global Understanding and Peacemaking at Elizabethtown College. The front of the letter is inscribed with letterhead from the The Center for Global Understanding and Peacemaking at Elizabethtown College. Message reads: "Elizabethtown College's Center for Global Understanding and Peacemaking shares our concerns and prayers for your community at this sad and difficult time.

Typed bilingual Hebrew and English letter from a student at Hebrew Academy, a private Jewish day school in Montreal, Quebec. In English, the letter reads: "Dear Rabbi, I am very sorry for what happened in your shul. I hope everyone that got injured will heal quickly. I hope that it will never happen again. Sincerely, Max [last name redacted] From Hebrew Academy."

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 marker illustration. Front and back cover features illustration of tree with heart superimposed on it. Interior features heart with X in center and words "We're all in this together. Things will get better. You're not alone."

Handmade sign in green ink, reading: "Hate has no place here." Staining due to exposure to the elements at the Wilkins memorial.

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."

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: "Everyone will stand with you through these tough times. -Flynn."

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "Dear Blessed Children of God, I am praying for you in these extremely difficult days. Know that you are being held in prayer. You are loved. Praying for Peace, Comfort, and a Hedge of Protection around you and your community. With love, A follower of Christ."

Bilingual, laminated prayer card with the text of the Jewish "Traveler's Prayer" in English and Hebrew. This "Traveler's Prayer" card was purchased an Israeli Judaica website.

Floral tag from floral arrangement sent by John [last name redacted]. The tag reads: "For the innocents who[se] lives were taken- Eternal Love." It is signed John [last name and address redacted] of Phillipsburg, North Carolina. The contact information for James Flower and Gift Shoppe is included below. The message is written in black ink on a printed tag with an ombre background resembling a sunset.

Handwritten note signed by Ben and Beth of Toronto. Written in black ink on the back of stationary with the logo of Marriott Hotels. Staining due to exposure to the elements at the Wilkins memorial.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Words can't begin to express the sorrow we have felt and experienced as a church, country and people for the senseless loss and hatred you all have experienced. We pray and hope you feel God's peace, comfort and loss in this time of great sorrow. Love will win. Peace will win. Always. Your sister in God's love..."

Diamante poem by which was sent with the materials from Emergency Ministry Services, a faith-based training and disaster response NGO in San Juan Capistrano, Ca., affiliated with the Orange County Church on the Rock. A diamante poem is a seven-line unrhymed poem which is shaped like a diamond. The words of this poem washed away due to rainwater.

Large square card from a student at Fountain Valley School in Colorado Springs, Co. Card reads: "Dear members of Tree of Life[s], I am an international student from China. I heard the sad news about the sad thing [that] happened in the Synagogue. I felt really sorry about that and I know I can't do anything to let you feel better. But I am always on your side. Support the sad family. So please strong to stay together. Peace be with you. - Isabel L." Illustrated Star of David and peace sign on lower left.

Post-it note with handwritten message in blue marker. The message reads: "When there is dark be the one who turns on the light."

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 colored pencil illustration. Cover shows a tree. Inside reads: "I am so sorry for your loss. We are with you in spirit and in deed. As a former resident of Pittsburgh my heart breaks for you and your community."

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