Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover contains the following quote attributed to O.G. Mandino: "Failure will never overtake me if my determination to succeed is strong enough." Illustrated with the image of two stick figures, labeled "strength" and "failure" respectively standing on either side of a wall. The inside reads: "Dear Congregation of the Tree of Life, I am sorry for what happened and I hope everything gets better.

Typed memorial note in honor of Joyce Fienberg. The author recalls personal details about Joyce's research career at the University of Pittsburgh and her caring personality.

Card made by a student from the George Washington University Hillel. The front cover features the partial outline of a tree; most of the ink faded has faded by water damage at the memorial site. The inside, which also has partial fading due to water damage, reads: "I can't think of the words to say that could possibly make this better for all of you. Just know that we are all here for you, as a Jewish community sending love and strength your way. Though it may not seem like it now, we will all make it through this and work to make tomorrow a better day.

Handwritten card from a student at Goddard Middle School in Littleton, Co. Cover features an illustration of an American flag and Israeli flag flanking a budding plant in the lower center, and a bilingual quote in English and Hebrew attributed to Ghandi in the upper center. In English, the quote reads: "Be the change you want to see in the world." The inside reads: "Dear Rabbi Jeffrey Myers, I am so sorry for your loss. It breaks my hear to hear about acts of Anti-Semitism. I am keeping you and your congregation in my heart and prayers.

Post-it note with handwritten message in black marker. The message reads: "We love you!" An illustrated heart appears in the upper right corner.

Post-it note with handwritten message in blue marker. The message reads: "Thank you for being strong."

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "God bless you all and your synagogues in this difficult times and may the spirit of the Lord watch over you. [Signature illegible]."

Post-it note with handwritten message in green marker. The message reads: "Love."

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 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."

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.

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.

Envelope and card from administrators and affiliated staff at The Center for Global Understanding and Peacemaking at Elizabethtown College. Envelope is inscribed: "Tree of Life" and illustrated with a Star of David and heart. Card features an illustration of peacock feathers on the front. Card reads: "Elizabethtown College's Center for Global Understanding and Peacemaking shares our concerns and prayers for your community at this most difficult time.

Handwritten card in blue and purple marker on paper. The card features a large heart, over a Star David, with the first names of the eleven victims of the October 27 attack. The card reads: "We can't take away the pain, we can only add our love. Love, The Ettingers."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is dated 11/4/2018 and reads: "Dear Fellow Journeyers in Faith- May you experience others holding you in their caring arms during this time of loss and grief. Know you are not forgot. Know God can redeem this tragedy to bring about justice. -A friend in San Diego- Claudia."

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

Post-it note with handwritten message in blue marker. The message reads: "May your memory be for a blessing. Sending love and healing from Jews in Berkeley, CA." Signed with a Star of David.