Page of blank stationery. Blue printing on white paper. Header features illustration of New Light Congregation synagogue. Left-hand margin lists officers of the congregation and contact information for the congregation.

Handwritten card in pink and orange marker on pink paper. The card reads: "Sorry for this tragedy. We love! Adeline." A large, striped, inverted triangle appears below the word "Sorry." Small hearts and peace symbols appear throughout.

Post-it note with handwritten message in blue marker. The message reads, in English and Hebrew: "Be strong, be strong and may we all be strengthened."

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Brother RICHARD GOTTFRIED z''l -- To his family and community we pray Tanuchamo min hashamayim. May God in Heaven comfort you. The Principals, Teachers, Parents, Alumni, and Students of Magen David Yeshivah. Brooklyn, NY." Part of a series of 11 flags, each dedicated to one of the victims. Additional photograph shows the entire set of 11.

Post-it note with handwritten message in blue ink. The note features an illustration of a heart with the numbers "412" written inside.

Post-it note with handwritten message in blue marker. The message reads: "Together we are stronger. T and L."

Folded card on yellow paper with red and green stains. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

Folded card on blue paper with various taped cutouts. Front cover contains a white heart-shaped cutout. Inside features cutouts in the shape of a house, sun, and blue sky. The sun's rays are illustrated in colored pencil.

Post-it note with handwritten message in black marker. The message reads: "Love from Cleveland." A Star of David appears below.

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.

Blue card with a Star of David filled with flowers outlined in gold and silver ink on the front cover. The inside contains a lengthy, heartfelt letter from a sender identifies themselves as "an angry college student who wants a change" from Pittsburgh.

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.

Diamante poem by Reena [last name redacted], 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.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Tree of Life Synagogue, Our hearts, our minds, our love is with you. We weep with you in this time of deep grief and our thoughts and prayers flow to you and to your entire community. May love and light always prevail, even in these times of unfathomable acts and in the face of overwhelming grief- may we raise ourselves back into the light together. Our hearts are with you. June."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is dated Nov. 4, 2018 and reads: "Tree of Life, I give thanks daily to Yahweh, Father Abraham, Moses, and Jesus! We are all one with you, bonding with you, suffering with you, and healing with you! God help us all daily to Love, Joy, and Peace! Please let our pastor Karla Shaw know how we can help further! Shalom, Larry A. [last name redacted] Semper Fi America! San Diego, California."

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.

Post-it note with handwritten message in red marker. The message reads: "All of New York City feels your pain."

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 love, prayer, and affirmation of God's goodness. The church's contact information is included on the back of the envelope.

Post-it note with handwritten message in red marker. The message reads: "Let love rule."