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."

Miniature Israeli flag attached to a flat stick. Stick features logo of the Eagles' Wings organization. Hand-drawn in red on stick is a heart and handwritten note reading, "We Christians love the Jews." Rosary with a Miraculous Medal wrapped around stick.

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.

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."

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.

Rectangular lantern box with wood frame and glass panels. Lantern contains electric candle. Back panel is translucent and features image of a tree. Attached to the handle of the lantern is a bow and a bouquet of white lilies. Front panel features text reading, "Memories. They remind us of people and things we hold dear. They bring smiles, laughter, and sometimes tears. No matter what others may do or say, nothing will ever take these memories away. Memories are more than just a link to the past, sometimes they're all we have that will last."

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.

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The envelope features an illustrated heart. The front cover reads: "Faith is the friend that comes along when things just seem to go all wrong." The inside reads: "To the Tree of Life, My thoughts and prayers are with yours. Nancy [last name redacted]."

Post-it note with handwritten message in blue marker. The message reads: "We are with you- Love is stronger than Hate."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Know that our loving God is with you all- always. Our love is with all of you hoping you can get through this before [?] God- God will [?] love your deep faith. Know we are here in Pt. Loma CA. Feeling your pain."

Summary: Timeline arranged by Pittsburgh Post-Gazette listing six mass shootings in the Pittsburgh region since 2000, including incidents in Wilkinsburg, Beaver County, Stanton Heights, Collier, and Mt. Lebanon.

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."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Tree of Life, I bleed for you and with you. My soul hurts for you. I stand with you in your faith. I pray for healing. Lola. Point Loma Community Presbyterian Church."

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.

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.

Handwritten letter written in black ink on lined notebook paper from Michelle. Michelle is a lifelong Pittsburgher whose mother worked in Squirrel Hill when Sophie Masloff, Pittsburgh's first Jewish and female mayor, was in office. Michelle recalls her mother's pride in serving Masloff. Michelle notes that she is a student at the University of Pittsburgh and currently lives in Squirrel Hill. She apologizes for being "neglectful" of her ties with the Jewish community. She wrote this letter to extend "my very friendly hello" and to communicate her solidarity.

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The envelope contains the following handwritten message: "With love, and healing thoughts-." The front cover says: "LOVE." The card inside is dated November 1, 2018 and reads: "Dear Congregation- My heart is filled with pain for you. We send you our love, and our hope for healing. Bruce [last name redacted] St. Peter's Episcopal Church. Londonderry, NH."

Typed copy of Professor Marc Brettler's address to his students at Duke University the Tuesday following the October 27 attack. This address was delivered by two people from Durham, North Carolina: Francis and Joanna [last names redacted].

Wooden pedestal painted white with white Star of David and red heart affixed to front. Handwritten in pencil and black marker on the Star of David is the name "Melvin Wax." Collaged onto the heart are white pieces of paper and a translation of Psalm 34:18: "The Lord is close to the broken hearted and saves those who are crushed in spirit." Accompanying image shows all 11 Stars of David in the series.