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.

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 prayer. The church's contact information is included on the back of the envelope.

Handwritten card from a student at Goddard Middle School in Littleton, Co. The cover contains the following quote: "The past cannot be changed. The future is yet in your power." An illustration of three stick figures raising their hands, standing on a large rock with a Star of David at the center, before a mountainous landscape with a large sun and clouds, appears on the bottom center. The inside reads: "Dear Rabbi Jeffrey Myers, I'm very sorry about what has happen[ed]. I do know that people are also very sorry.

Card made by a student from the George Washington University Hillel. Features a bilingual Hebrew and English message and reads: "Am Yisroel Chai (The People of Israel live) forever and ever. NEVER FORGET IT!!!"

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

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.

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: "Tree of Life Synagogue, We pray for you. May you have a good recovery and keep close to God. -Elizabeth, Holy Angels CCD."

Post-it note with handwritten message in blue ink. The message reads: "We are here."

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."

Floral tag from floral arrangement sent by Paul and Namoi [last name redacted]. The tag reads: "Praying for comfort for all who mourn. Isaiah 6, verse 2. Our sincerest condolences and love. Paul and Namoi [last name redacted]." Message is written in black ink on a printed tag with white lillies on the left edge.

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

Handwritten card in red marker, addressed broadly to tvarious groups impacted by the October 27 attack, including the congregation, the victims and their families, witnesses, police, and first responders. Signed by several families [last names redacted]. The front cover features a reproduction of an eighteenth century engraving of a white heron in the collection of Colonial Williamsburg in Williamsburg, Va.

Print out with the names of the eleven victims of the October 27 attack. Photographs have been included for Joyce Fienberg, Richard Gottfried, Rose Mallinger, Jerry Rabinowitz, David and Cecil Rosenthal, Daniel Stein, and Melvin Wax. The names and photographs are accompanied by the following message: "In Loving Memory, Gone But never forgotten." Tears and creasing due to exposure to the elements at the Wilkins memorial.

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.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a mandala 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."

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 is dated October 28, 2018 and reads: "Dear Friends, Peace to you. May you live in the love, joy, and kindness of the God of Abraham, Isaac, and Jacob. God is on the throne, always. Harry [last name redacted]." The church's contact information is included on the back of the envelope.

Printed floral tags from floral arrangements sent by Shadyside Presbyterian Church.

Post-it note with handwritten message in blue marker. The message reads: "Love with [will] always win in a war against hate. -Simon [last name redacted]."